Answer:
Action taken by a country whose exports are adversely affected by the raising of tariff or other trade-restricting measures by another country. Also called retorsion
Explanation:
The Urban Revolution started realizing they needed a money support system and something to provide people jobs.
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<span>On September 11, 1777 British General William Howe's army defeated George Washington's army defending Philadelphia at the Battle of Brandywine. Washington and his army were forced to retreat, there was no longer an American army defending Philadelphia. The British marched in and occupied Philadelphia...until the fortunes of war changed and the British left Philadelphia in June, 1778 without a fight.</span>
C.Walls around the city provided protection from enemies