When did the thirteen colonies divide

In 1776 the 13 colonies divided and declared Independence in 1776, which formed the United States of America. The colonial population grew from about 2,000 to 2.4 million between 1625 and 1775, sometimes displacing American Indians.

Hope this helps

--Jay

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.