Us secretary of state john hay established the policy, which opened china’s ports to european trade.

Why were inventors essential or necessary for an industrial revolution to happen in america

Plz what action did president jefferson take to stop britain and france from seizing american merchant ships? a. he declared war on france. b. he called for increased tariffs on british and french goods. c. he called for an embargo on all foreign trade. d. he declared war on britain.

Why did win shihuangdi force all nobles to live at the capital?