How were any of the following connected to one another: Haitian revolution, industrialization in Britain, opium wars, seven week war, progressive movement

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

the answer is aggresion hope this and mark me as brainiest and add me as friend

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deflation   hope this