Why did the us declare war in 1917 will give brainliest in yo own words

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.

Space is not completely empty. there are small particles in space. what happens when these particles come together?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.