How did the crusades change europe? (select all that apply)

they revived interest in travel.
they increased intra-european warfare.
they brought back the printing press.
they revived trade.
they exposed europeans to new ideas

The answer is

They revived interest in travel.

They revived trade.

They exposed Europeans to new ideas

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation