Answer:
Without a twelve month calendar, people would not know how to meet up at the same time. People would say, see you in 218 days, and they wouldn't be able to plan far in the future. Without a number system, we could not pay for things, and without wheels we could not go anywhere and lots of technology would become obsolete.
Explanation:
Buying factors of production from firms.
Answer:
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Presidents have done much to help the cause of civil rights
in America. President Harry S. Truman
ended segregation both in the military as well as the government. John F. Kennedy and even Lyndon Johnson did
much to enforce the law to allow Black students to study with whites as well
called out the National Guards to help Black Americans register and vote.
