She does what she wants I just want the points I don’t know this
The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
In my view, environmental changes often lead to global migration, because people need particular conditions to live. So the most suitable option is: <span>A. Environmental changes forced people to migrate to other areas. The number of environment migrants still grows and by 2050, in about 200 million people will leave their homes because of environmental changes.</span>
Stalin wanted control of the world by spreading communism. He refused to allow free elections in Poland and he was the cause of the Korean War.