Answer:
The many achievements of the ancient Egyptians include the quarrying, surveying and construction techniques that supported the building of monumental pyramids, temples, and obelisks; a system of mathematics, a practical and effective system of medicine, irrigation systems and agricultural production techniques
Explanation:
What was common is that they were both fought as plans of Lee to move the fighting no Northern Parts of the federation. Antietam ended in a draw, while Gettysburg became a victory for the Union.
The correct answer is - 2.) Communist governments under Soviet control.
The Soviet Union, just like the United States, during the Cold War period tried to have as many allies as possible in order to have stronger support and protect its interests. Eastern Europe was a region that was almost totally under the control of the Soviets, apart from Yugoslavia which was strong on its own and didn't wanted to be submissive to other country.
The Soviets sponsored Communist governments and gave them a lot of support, be it financial, propaganda, or even military one if there were problems in the country. That led to almost all of the Eastern European nations having governments that were under the influence and control of the Soviets, making them a satellite countries to the Soviet Union.