I'm so confused so we are doing a unit on the trail of tears and we were asked how this event shows history is repeating itself because of the westward expansion. What do yall think my teacher means by that​

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.

Why did siddhartha gautama leave home at age 30? a. to find answers to his questions about human life b. to establish a religion that was better than hinduism c. to those who felt pain and suffering in life d. to spread his new religious ideas to other people

In 1819, what did the united states obtain from spain for $5 million?