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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People used the telegraph to send messages via Morse Code. Which was a variation of taps on a small pad sending electronic pulses that would make a beeping sound. There would be someone on the other end that would listen to the pulses and write them down into words
The most likely meaning of the word "redaction" based on its Latin affix is d) to repeat. The meaning of redaction is to "a form of editing in which multiple source texts are combined (redacted) and altered slightly to make a single document."
They were important because they were not controlled by the government or the church. Therefore they were free to explore in scientific experiments as much as they wanted without these controls.
