3. In 1812, President Madison urged Congress to declare war on Britain. Madison justified his request based mainly on his belief that * (20 Points) Britain had violated the neutrality of the US a previous treaty required the US to assist France Britain planned to establish new colonies in North America The United States could gain new territory in Canada

Correct answer is Britain had violated the neutrality of the US.

Explanation:

First option is the correct as Britain has seized some American vessels and even some of the sailors, thus violating certain agreements that were made in 1783. According to Americans, Britain was also trying to start a rebellion in the States.

Second option is not correct  as France and United States were not in good relations at the time.

Third option is not correct as Britain didn't have enough power to do that a time.

Fourth option is not correct as United States had no intention to take Canada.

answer; i believe that the correct answer is ( rivers);

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.