What did the United States have that made it so successful during the second industrial revolution include as many factors as you can

Why did roosevelt support a “europe first” strategy even though it had been japan that had first attacked the united states?

Did president truman warn japan against a second bomb attack

In italy, the distance between milan in the north and palermo,sicily, in the south is about 550 miles. in the united states, the distance betweenboston, massachusetts, and savannah, georgia, is about 900 miles. do you think the american revolutionaries of 1776 in the 13 colonies faced some of the same challenges as the patriots who struggled for italian unity in the 1860s?