Answer:
He wanted to move them west of the Mississippi River to a designated Indian territory. Some tribes resisted his ideas and relocation policy while others went peacefully but still harboring anger and sadness in their heart.
People who supported imperialism claimed that it was the natural progression of civilized countries and races to expand. Expansion in a way became a matter of race. Americans were part of the great Anglo-Saxon race, which means that, like their English cousins, they were of a superior race and destined for an empire of their own.
Modern medicine works. Prehistoric medicine is unknown because it is before history has recorded it. But let’s say that caveman found that they ate the leaves from the willow tree their headache went away. Aspirin is made from willow leaves.
The drug itself is the same. How medicine is practiced is totally different.
Answer: rate of natural increase