What led john dawson to begin using coal as a source of heat? a. he had an engineering degree and knew how hot coal would burn. b. he was told by a friend that coal could be sold to private homes for high prices. c. he discovered that coal burned hot during a summer wildfire. d. his twelve-room house required too much wood and he was tired of splitting wood.

it allows businesses to raise prices on basic goods. it allows consumers to spend more money on products. it increases government revenue to fund public projects. it provides more money for government assistance programs.

explanation:

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

i believe their was 300 british troops according to washington.