The "long march" of China was led by Mao Zedong so its C.
Some ways of getting involved are:
-voting (here for the experience, ask yourself if you have the right to vote? does your family vote? your friends?
-participating in political campaigns (do you know anyway that participated in a campaign? You can also do it unofficially, for example even by posting Facebook posts about a candidate!)
-belonging to a party - do you know anyone in a political party?
The question asks about your personal experience so I can only give you tips how to answer this about yourself!
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Answer:
In his inaugural address, Lincoln promised not to interfere with the institution of slavery where it existed, and pledged to suspend the activities of the federal government temporarily in areas of hostility. However, he also took a firm stance against secession and the seizure of federal property.