The colonists had large stockpiles of arms (guns and ammunition) at these two towns.

The American War of Independence began on April 19, 1775, when 700 Redcoats under the command of Major John Pitcairn left Boston to seize American arms at Lexington and Concord. The militia that assembled at the Lexington Green and the Concord Bridge consisted of able-bodied men aged 16 to 60.

Explanation:

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i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.