Why was the passage of the twenty-second amendment, which limits presidential terms, an example of civic participation?

there is an explationation of this on a site called crash   course world history 1

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

answer; the edward snowden leaks of nsa classified material;