The answer is C. because they descibe federalism as the combining of multiple gov.s
The Amazon River's source is at the base of the Mismi.
Sputnik I was the world's first ever artificial satellite that launched by the Soviet Union in 1957. This marked the start of the "space age" which pushed the race between the US and the USSR in the field. Because of this "competition", many scientific discoveries were made to study and even travel to outer space.
