The major cause for the united states going to war in 1812 was: british interference with united states trade. spanish control of the louisiana territory. james madison's need to control world affairs. the canceling of orders in council by the british.

The answer is the first one "British interference with United States trade."

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

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