When people from different regions trade goods with each other, they also exchange ideas. what is the process by which different cultures share ideas and ways of doing things known as?

What actions did americans take to show their patriotism after pearl harbor?

What has been a long term effect on the panama canal

15 points to the "charlemagne" section, what were the two policies that charlemagne implemented when he took the throne? what was the result of the policies and how did it impact his warriors?