In recent weeks, there has been a widespread debate over immigration, sparked by the new administration’s plan to deport a large number of illegal immigrants. While the specific merits and demerits of the policy could be debated, in this post we will examine the principles behind deportation, namely a country’s right to borders and culture. Before getting into the debate, it is important to keep in mind that politics involves prudence. One may agree with another person in principle, but that does not mean he agrees on the best course of action to implement the principle. Thus, in politics, we must distinguish between the end we are seeking, and the means proposed to achieve that end. A person may agree that illegal immigration ought to be restricted, but disagree on a particular strategy of enforcing immigration. The disagreement as a matter of prudence does not disprove the principle. It then follows that those who would assert that Trump’s immigration policy is unjust have not proved that enforcement of immigration policy is, in principle, unjust.
Immigration and Borders
Before we ask “How ought we treat immigrants?”, we must first ask a more foundational question, namely, “What are borders?”. With the rise of globalization, there has been an increasing call for us to become “citizens of the world”. This concept is rooted in the reductionist idea that borders are just lines on a map. But borders are no more lines on a map than music is notes on a sheet, or a square is lines on a piece of paper. Borders represent something real. Borders represent differences in culture and traditions. Saying that borders are meaningless just because they are drawn by man would be like saying that language is meaningless just because man defines the words. Man is a citizen of a country, and not of the world, because he lives in a particular culture, a particular time, and a particular place. Though he is self-determining, each man cannot help but be, in some sense, a product of his culture. This is a crucial point because we cannot consider the idea of a country without reference to its culture.

Now that we have considered what borders are, we must examine the right of a country to its borders. Speaking on this subject, the Catechism of the Catholic Church states, “Political authorities, for the sake of the common good for which they are responsible, may make the exercise of the right to immigrate subject to various juridical conditions, especially with regard to the immigrants’ duties toward their country of adoption.” (CCC 2241) A country, with regard to the common good, may justly enforce its borders. In fact, one could argue that not only that it may enforce its borders, but that it has an obligation to. A country has an obligation to defend its citizens, and ought to look out for the basic rights of those who are immigrating. Neither of these obligations are met if a country embraces an open border policy. Citizens are put at risk by bad faith actors, and lawless men are enabled to exploit immigrants. This does not imply that countries must close their borders completely, though, there may be cases where that is prudent. Thus, the state must exercise its right to regulate immigration with its citizens, for whom they are primarily responsible, in mind. Though a country is primarily responsible for its citizens, it is not only responsible for its citizens, as the first half of paragraph 2241 from the Catechism says, “The more prosperous nations are obliged, to the extent they are able, to welcome the foreigner in search of the security and the means of livelihood which he cannot find in his country of origin. Public authorities should see to it that the natural right is respected that places a guest under the protection of those who receive him.” A country has a secondary duty to immigrants. How this principle is exercised is, once again, a matter of prudence.
Unity in Diversity?
As mentioned above, we cannot understand a country without reference to its culture. Therefore, a country’s right to enforce its borders does not merely mean it has a right to enforce its geographic borders. A country also has a right to enforce its cultural borders. The latter part of paragraph 2241 in the Catechism states, “Immigrants are obliged to respect with gratitude the material and spiritual heritage of the country that receives them, to obey its laws and to assist in carrying civic burdens.” So, while a country, especially a prosperous country, is obliged to welcome foreigners, foreigners are obliged to assimilate. This is necessary for the unity of a country which cannot be based on a mere recognition of cultural differences. Unity comes as a result of shared culture, standards, and beliefs. The United States has long recognized this in its motto, “E Pluribus Unum”. This is what makes the counterpart motto, “Diversity is Our Strength” so absurd. Diversity, in it of itself, is a fact which carries no inherent strength or weakness. The strength of a group, organization, or country, for that matter, flows from its commitment and share in a vision for reality and vision for the future. Assimilation is not a dirty word, as we have seen above a country has every right to expect it. Immigration without assimilation is an injustice to the country which has welcomed the immigrant. Any other view leads to the shallow idea that a country is a group of atomistic individuals arbitrarily living in proximity. If a country is to be a country at all then it must have a right to borders, both geographical and cultural.
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