Answer:
A
Explanation:
Archimedes systematized the design of simple machines and the study of their functions and developed a rigorous theory of levers and the kinematics of the screw. His works contain a set of concrete principles upon which mechanics could be developed as a science using mathematics and reason.
The first calculation of π(pi) was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world.
The territory contained land that forms Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska; the portion of Minnesota west of the Mississippi River; a large portion of North Dakota; a large portion of South Dakota; the northeastern section of New Mexico; the northern portion of Texas; the area of Montana, Wyoming
Answer:
C,D
Explanation:
early humans lived a nomadic lifestyle by always being on the move. they took shelter wherever they could find it.
Answer:
After the mid-20th century , Canada and the United States became extremely close partners. Canada was a close allie of USA during the Cold War.
William Lyon Mackenzie King (Prime minister) rejected free trade with the United States.
August 1957, the Canadian/American governments said they were going to integrate their air forces under a split command called the North American Air Defense Command (NORAD). This time during The Cold War, both Canada and the US feared long-range Soviet attack.
using government spending to help the economy