~Denki Kaminari here~
Answer: the British began colonizing other places due to the need for trade and natural materials.
Explanation: In 1787 the convention met in the Pennsylvania State House in Philadelphia, ostensibly to amend the Articles of Confederation (the first U.S. constitution, 1781–89). The idea of amending the Articles was discarded, though, and the assembly set about drawing up a new scheme of government. One area of disagreement between delegates from small states and those from large states was the apportionment of representation in the federal government. All revenue measures would originate in the lower house. That compromise was approved July 16, 1787.
hope this helps :D