Tang Dynasty was able to strengthen China thru the efforts of its Tang Taizong and Empress Wu in which the former brought back China's government and the latter empowered women. The Song dynasty continued the good governance and elevated the military system thru systematized testing.
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.
