American Commodore Matthew Perry led his four ships into the harbor at Tokyo Bay, seeking to re-establish for the first time in over 200 years regular trade and discourse between Japan and the western world.
Answer:
Agriculture, revolts, and trade.
Explanation:
Aksum's agriculture began to collapse because of the cutting down of trees and irregular rainfall which eroded the soil. Revolts were also taking place, especially from the North.
He is the seventh president of the USA.
