The thirteenth, fourteenth, and fifteenth amendments reflected the growing 19th century american trend of

The correct answer is:

Increasing the basic civil liberties of all races.

The Reconstruction Amendments are the Thirteenth, Fourteenth, and Fifteenth amendments to the United States Constitution, adopted between 1865 and 1870, immediately following the Civil War.

The Thirteenth Amendment abolished slavery. The Fourteenth Amendment created the privileges and immunities clause, applicable to all citizens and made the due process and equal protection clauses applicable to all people. The Fifteenth Amendment prohibited discrimination in voting rights of citizens on the basis of race, color, or previous condition of servitude.