The development of agricultural skills and production was the first ( human) activity that made people gather and build a coherent living style
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Answer:
a border surrounding the zone of strong gravity near a black hole.
Explanation:
The event horizon is the place where the gravity begins to become so strong no light can escape the gravitational pull of the black hole. The event horizon is also known as "the point of no return" because it is impossible to escape the gravitational pull at that point. Light and matter begin to stretch and be pulled into the center and compressed into the matter that makes up the black hole.
There are no given descriptions. However, I believe that the US history is rich enough to derive lessons of foreign policies. It helped develop and improve the recent ones. It has been clear cut to adhere with democracy and promote Americans as having valued their abundant land. It does not neglect its duty to promote freedom all over the world. The foreign policies such as trade open opportunities, experience and enhances skills of workers.