Answer:
Yes
Explanation:
according to new mathematics study , Lately people have been understandably worried that. we might be coming close to another war.
Popular opinion turned against South African apartheid.
It did because the people were upset with the second back of the United Staes.
Of course, the major effect of the Louisiana Purchase was that it made the United States much bigger than it had been before. The Purchase doubled the land area of the country. This helped to make Americans feel like their country was strong and important, contributing to a sense of nationalism.
The correct answer is - natural selection.
This is a typical case of natural selection, where we have a group of people that have similar physical traits, that are selected and than isolated from any external influence, so with interbreeding they manage to keep their physical traits for generations to come and thus create a population that resembles their initial ancestors.