Britain stil had control over them but the first colony was founded in Jamestown Virginia in 1607 many of the people who settled in the new world came to escape the religious prosecution
The correct answer should be Advances in Technology and Industrial revolution
Mexican-American war happened in the 40s so that's before 1860, while a war with Spain occurred in 1898 which is after the mentioned period. They did advance in technology exactly due to the industrial revolution. An agrarian revolution. An agricultural revolution didn't happen in the US because of the Long depression that slowed it all down.
Answer:
economic growth
Explanation:
<em>By 1945 President Roosevelt and his advisers were convinced that economic growth was the key to world peace. They wanted to promote economic growth by increasing world trade.</em>
