Since the county government has a much smaller region in which they look over, it makes it easier for citizens to interact with them. Consider that the county government is usually close to citizens, while the federal government is located in Washington DC. This means that citizens in states along the west coast ( like California, Arizona, Washington, Oregon, etc.) are thousands of miles away from members of the federal government. The county government is also much closer to citizens than the state government, as this is usually located in the state capitol of each respective state.
The correct answer is the last one, signing the Camp David Accords. Those were the agreements between Israel and Egypt signed in 1978, that led to the first peace treaty between these two countries. The negotiations took place at the U.S. presidential retreat at Camp David, Maryland while Jimmy Carter was the president.
France and England were the two countries who had land claims in Canada. The treaty ending the French Indian War, in 1763, relinquished France's land claims in Canada.
