Answer:its impact its to know how the world revolve
Article IV Section 4 of the United States Constitution does two things:
A) Guarantees every state within the US a republican form of government. In this case, a republican form of government is one in which the people choose their representatives to make laws for them.
B) Protects states against invasion- If one state was invaded by another country, the federal government would use the US military to protect them.
Subsistence agriculture is the production of food primarily for consumption by the farmer and mostly found in less developed countries. Commercial agriculture is when farmers grow food for a profit.