Explanation:
a representation of a plan or theory in the form of an outline or model
Mestizos, meaning they're people of European and Native blood.
The answer is "a) The law was the first direct tax imposed on the American colonists."
The simple presence of railroads could bring a city economic prosperity. Railroads even helped shape the physical growth of cities and towns, as steam railroads and then electric street railways facilitated growth along their lines and made suburban living feasible.