Who was john pershing and why was he important?

John Pershing was an officer for the United States during World War I, he is also known to be the only person during this time to reach General of the Armies, the highest rank you can achieve in the military. He was the leader of numerous different troops during World War I and is known to be very heroic.

whose power in the senate is equal to the power of the speaker of the house?

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)