Economic failures and years of warfare, the Chernobyl disaster, perestroika glasnost and Mikhail Gorbachev all of these factors contributed to the collapse of the Soviet Union or USSR in the year 1991. Some of these incidents had a direct impact on the breaking of USSR into several countries, while others had a direct role.
They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.
Answer:
The scientific method.
Explanation: . . . . . . . .
To help employees function effectively in job situations, a human-factor psychologist designs products that are safe, effective, and easy to use.
