Henry Ford was an American industrialist. And he developed and manufactured the first automobile that many middle class Americans could afford Albert Einstein was a German-born theoretical physicist. He developed the general theory of relativity, one of the two pillars of modern physics.
They traded with them selves.
Their civilization has never paused, or changed. They still have their old cultures (sort of) They still have the same language.
Answer:Social facilitation
Explanation:Social facilitation is the tendency appearing in the individual that helps the particular person to perform better than earlier and well than the usual times in any certain field.
Social facilitation boost the mental energy of a person helps the person to perform well in the simple task .It also might lead to the worse performance in the task which are new to the person or has complexity. Bill also felt this emotion while playing the presence of his family.
The answer is D. They did not receive any vacation time.
9 miles from east to west