I believe all the above aka 4 because the communities had to much of an over crowding which lead to crime and then a disease broke out which occurs in the 19th century
Thin layers of <span>calcium carbonate
Glad to help :)</span>
Little Albert is a classical study of human conditioning,
ethical or not, whose results were published in 1920. The results state that little
Albert developed a striking fear of fluffy white things. The experiment was significant
because it provided empirical evidence that demonstrated what is called the
classic conditioning in humans.
Answer:
The currency in the united is dollars and coins
Explanation:
and for the government to make more they need the equipment, paper, and metals
