Answer:
climate change, land degradation etc. (more info below)
Explanation:
There are many global environmental changes that could cause human migration. Apart from climate change, land degradation in the form of nutrient depletion, soil erosion, contamination and salinisation can also contribute to changes that contribute to migration.
hope I helped!
The answer is "it kept the balance of slave states and free states equal"
The Missouri Compromise is created in order to form a balance between the free states and slave states. In this compromise, it gave Missouri a chance to become a slave state, in turn, Maine would become a free state.
President Theodore Roosevelt was a reformer president to the extent that he was a true progressive--especially when it came to domestic issues. He enforced labor laws that protected workers, and was one of the first true conservationists--carving out large chunks of land for national parks.
