Yes, the Mexican American residents of these territories did become U.S. citizens.
They where big trading cities that many people wanted to control and because of it geographic location it was used as a cultural hearth
Yes, lack of foreign conflict for close to 100 years until world war 1 which is a sign of its success.
Answer: The correct answer is the Silk Road, also known as the Silk Route,
Explanation: The Silk Road was a network of trade routes that connected China and the Far East with the Middle East and Europe. The Silk Road was first established when the Han Dynasty in China officially started trade with the West in 130 B.C. The Silk Road routes then stayed in use until 1453 A.D., when the Ottoman Empire boycotted trade with China and closed them.
Answer:
north
Explanation:
north had a better geographical advantage and better transportation and had better industrial support
