Where is slavery used where is agriculture used
where is industry used
where is raw materials used
where is manufactured materials/goods used
where is sectionalism used

please help me ​

increased food supply

improved public health

increased birth rates

hope this : d

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.

most people were factory or company owners.