Pretty sure A is the answer.
"We the people of the United States, in order to form...."
Homophily (i.e., "love of the same") is the tendency of individuals to associate and bond with similar others, as in the proverb "birds of a feather flock together". The presence of homophily has been discovered in a vast array of network studies.
It creates progress and civilization
I believe technique because it means to carry out a certain task a certain way
