Why do we need checks and balances in the federal government

The president has what role as the head of the armed forces 1.commander 2.general in chief 3.commander in chief 4.chief petty officer 5.joint chief

Why would the rumor of a government contract change the value of this companys stock

Before the invention of the loom in 1785, textile manufacturing was: a) regulated under the guild system. b) performed by children working in factories. c) produced in rural cottages under a putting-out system. d) conducted by british colonists overseas.