Where exactly do you mean by here ?
most reasons that people leave their homeland is due to lack of jobs, problems in the economy, and to find a better lifestyle to live in or to raise their children.
Answer:
A. Literacy rates increased
Explanation:
Before the Gutenberg press was created, people depended on the priest or the literates to read to them about the bible or the news. They were not telling the truth about what the bible really said, and used people's fear to make them buy Indulagence. However, Martin Luther was against this and wrote books preaching against the church. A way to get these new teachings to the people was to make many copies of them by using the Gutenberg press.
The author means by the phrase that People were able to choose who would lead their governments.
Explanation:
In the 20th century there were a lot of new nations that were formed out of old imperialistic colonies and most of them adopted, or ended up adopting a democratic system of governance where the people have the right to choose who would govern over them and the positions are rotating.
This is something that could be called to have given greater ability for the people to govern their own lives and the author has teemed the century thus as the century where the [power went to the people.