Help ASAP !how was U. S economic policy toward japan and china similar during the19th century

US economic policy toward Japan and China remain the similar diring tye 19th century by forcing to opening both the countries for foreign trade. China and Japan and have always taken measures while it came to trade with European countries. China defeat to Britain in the Opium war helped the United States is establishing treaties which allowed China to open ports and trade with American merchants and other foreign nations

The United States turned to Japan in (1853), when Commodore Mathew Perry sailed into Tokyo Bay with warships, the treaty of Kanagawa signed, which allowed both to maintain the diplomatic relations and trading rights

b because they both had so of the same chosen rules

c) all of the above