True or false during the most recent ice age the water level of the ocean was lowered which exposed a land bridge from the Asia to North America

Ineed the answer ! what year was the 13th amendment passed in the us?

For in this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Explain how social darwinism impact imperialism.