Commodore Matthew perry negotiated a treaty that opened which country to trade with the united states?

Agreement with Japan.

Explanation:

Matthew Perry made a treaty with Japan in 1853. It was a trade agreement that connected Japan with the Western world in terms of trade. The United States sought to draw Japan into new trade flows to profit from that trade itself. Before that, Japan had been a closed country for about 200 years that did not trade with the Western world.

answer: economic globalization is the increasing economic integration and interdependence of national, regional and local economies across the world through an intensification of cross-border movement of goods, services, technologies and capital

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".