Did immigrants make a good decision to move to america? ?

Yes but equally no, it depends on there situation if there being treated right or many other things that could unexpectedly happen.

Because the discoveries were some of the oldest human remains.

The question of what caused the full effects of the radical stage, also called the second french revolution by some historians, which shook the political and social reforms in france have caught the attention of many scholars, particularly because of principles implemented during this stage which is contradictory to the fundamental principle of the french revolution itself, by using dictatorship to create equality.