PLS HELP QUICK ITS TIMED

Published in 1849, by was inspired by the writer's experience of being arrested when he refused to pay a $1 poll tax as a protest against the mexican-american war.

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

Hur ! asap what is the structure of the following sentence? although i have already visited africa, i would certainly like to return. a) compound b) compound-complex c) complex d) simple