Most presidential caucuses differ from statewide presidential primaries in all of the following ways except the

The number of states that hold the causes

Explanation:

Most presidential caucuses differ from statewide presidential primaries in all of the following ways except the causes.

the population grew a lot and was making more money

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.