If you are talking about the United States during World War I OR World War II, here is your answer.
The US federal government took over significant control of private corporations during wartime. The government forced many businesses to switch from their normal operations in order to produce goods for the war effort. For example, during World War II, companies like Ford switched from making cars to things like tanks and ammunition. This type of government intervention would ensure the US was completely prepared for the war.
Answer:
Because of the promise land it is a better life to me
Explanation:
The Republican Party.
It was originally more progressive and anti-slavery (for example, Abraham Lincoln was the first Republican President). Over time, the Democratic Party became the more progressive party as 1) blacks shifted away from the Republican Party following the failure of Reconstruction in the South and 2) the Republican party aligned itself more with big business in later years.