This question is a bit silly but I think it would be an African American single parent.
Spain and the United States i think
Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
When the English colonists settled down. they didn't want to be ruled by Britain anymore and wanted to create a "representative government".
The formation was included when the united states became on with europe