How did the signing of the magna carta influence the american revolution

Tension between the british and boers was caused primarily by what things?

How would high tariffs hurt america? a. fewer immigrants would be able to move to america b. sales of american products to other countries would go down c. americans would sell more goods to other countries d. goods imported from other countries would cost less

How did the grooms national product (gnp) of the united states change between 1940 and 1944