Answer:
Maps - This primary source helps us understand how the people at the time understood the world around them.
Charts,tables and graphs - these primary sources give historians useful statistical information about the time period being studied.
Letters and diaries - these primary sources provide great insight because they are personal accounts of people who lived in the historic period.
Advertisements - these primary sources tell us not only about the business trends of the time, but also about the cultural values and expectations that were common.
Photographs - Photographs are accurate images of places at the time being studied. For this reason, they are very valuable primary sources for historians.
Political cartoons - these primary sources give historians insight about the political opinions at the time, often the opinions of those who opposed the political regimes that were in place.
The significance was that this was somewhat of a checkmate. They cornered British soldiers in Yorktown, and with all American and French soldiers surrounding them, they were left with no choice but surrender. This surrender signaled the end of the Revolutionary War.
Expansionary monetary policy, contractionary fiscal policy
Answer:a. The Europeans brought diseases like smallpox, and many native Americans died.