The Compromise of 1877 resulted in the withdrawal of federal troops from the South A apportionment of seats in the House of Representatives by state population B the implementation of the first income tax C government subsidies for American Indians who agreed to submit to reservation life D the establishment of stricter regulations on immigration

The withdrawal of federal troops from the South, is the right answer.

Explanation:

An informal compromise between the allies of the Republican Rutherford Hayes and the southern Democrats to settle the outcome of the presidential election of 1876 and put an end to the Reconstruction era, came to be known as the Compromise of 1877. For keeping the terms of the Compromise the federal government of the United States called off the last troops out of the South.