Spanish were a lot like British and america so america supported freedom from spanish rule
If I understood your question correctly, then the answer is "it depends". Sometimes, individuals have a large impact on starting a war (think World War I where one individual caused the war to start), other times groups of people have also important roles in starting a war (think World War II).
Quantity demand is the demand for goods in a considerable amount or size....
Two people are George Washington and Benedict Arnold.