How would an historian most likely use this map? need

When creating the treaty of versailles, each member of the 'big three' had different agendas. how did each member want to deal with rebuilding europe?meee lol in advance!

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.

Explain how social darwinism impact imperialism.