True
Because I just learned this in class
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.
The persron who served as a leader and was elected president in 1953 was Dwight D. Eisenhower
The correct answers to these open questions are the following.
In what ways did Roosevelt's views change between 1897 and 1910?
At first, he tried to remain neutral. He just observed how things unfolded not lying to one side or the other. He considered it was the best thing to do as President for all the Americans.
What factors might have contributed to the change?
The Gilded Age, and the way industrialists and business owners started to irrationally grow, acquiring most of their competitors by buying them. They grew and grew until monopolies were created. That was the case of companies such as teh Standard Oil company of John D. Rockefeller and the US Steel company of Andrew Carnegie. The Progressive movement started and exerted great pressure to demand changes in government and legislation.
Can you identify aspects of Roosevelt's thinking that remained the same?
Theodore Roosevelt maintained his principles but was very aware of the political corruption acts and inactions in some part of the government, that is why he became a leader of the Progressive movement and tried to compete for the Presidency as the candidate of the Progressive Party.