Answer:
Roads contributed to the empire's success by
making trading, communication, and military
movement easier for the Romans.
Explanation:
hope this helps!
1. The population of the United States population had doubled; that meant more demands and work.
2. One of Theodore's central belief's weren't believed in much, and only a few more presidents followed it.
Nationalism is patriotic feelings towards your country. Nationalism can cause terror or hate to other nations that you see as a threat to your way of life. I'll give you one example so as not to do the work for you. The Nazi's were a great example of strong nationalism.
It was the white people vs the black people. That was the main reason
an American aviator, made the first solo nonstop flight across the Atlantic Ocean on May 20-21<span>, 1927. Other pilots had crossed the Atlantic before him. But Lindbergh was the first person to do it alone nonstop.</span>