Example of One Challenge to Change political economic and social

African Americans begin to gain civil rights

Explanation:

African Americans did not earn the right to vote without legal barriers until 1965, with the removal of poll taxes, literacy tests

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

mohenjo-daro is located west of the indus river in larkana district