The Bering Strait Land Bridge is a good example of this. During the Ice Age, humans from Asia migrated to what now is called North America in order to thrive in new lands, with new farming style.
The correct answer is letter C.
Christianity had a great ideal of influence and the Bible stories about freedom often kept enslaved workers' hopes alive. This was the time where people met in secret to talk about their sufferings, pray, sing, and dance to thank the God for all the blessings that the slaves are about to achieve.
I believe the answer is slavery.
