C. Opportunity cost
This is the opportuntiy that they lost. it costed them. Thus, opportunity cost for another opportunity.
Answer: leading suffragist served her well as she continued to champion women's rights, child welfare and education, and advance her role in politics
Explanation:
Probably because any activities related to environment protection require a change of mentality and habits and participation of everyone in order to be fruitful.
Because it protects the second amendment, and clarifies that guns can be used only for lawful purposes (like hunting, or self defense in home)
I don't know sorry ask someone else I need the answer too