What is least likely to have an effect on a country’s position on immigration? a) the tax code b) stance of political leaders c) opinions of citizens d) political climate

The tax code in the country is least likely to have an effect on a country’s position on immigration.

Explanation:

A country's position on the issue of immigration may not be affected by the tax code that the country follows. Rather, it would be most affected by the political climate in the county, followed by what the policymakers or the political leaders of the country think of the intensity of the issue, finally followed by how the citizens of the country want the issue of immigration to be treated.

I’m guessing probably a