I really need help! explain how a shared presidency allows the executive to avoid responsibility.

this question ties into the federalist 70 however it does not have to mention any explicit details from it. any help is greatly appreciated thank you!

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.

How is the vietnam war connected to the cold war?

Important document #2—mayflower compact who: what: when: where: why? bonus—why is this different from the magna carta?