Select all that apply. What happened at the end of the Middle Ages?

People wanted to explore new lands.
The lower classes rebelled against the upper classes.
Barbarians attacked the kingdoms.
People began to question authority.
The feudal system ended.

Most likely All of the above.

Explanation:

The middle ages was time period of growth and evolution. People were tired of the old ways hints* why the feudal system ended. People began to question authority, and the lower classes rebelled against the upper class, because they felt like they were being used and they also wanted to see change in their society.

During this time period people wanted to explore undiscovered lands, so that they could conquer certain territory, hints why barbarians attacked kingdoms (  for power. )

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i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )

the answer is a. harriet tubman was a nurse on the battlefield.