What was a key reason Democrats were able to pass a controversial piece of legislation such as Obamacare?
A. the President was a Democrat
B. Democrats had a majority in the House of Representatives
C. Democrats had a majority in the Senate
D. all answers are correct

D. all answers are correct- Could have left out A but he was a Democrat

Explanation:

Hope this helps..pls vote with thanks

b)

it created free trade throughout the colonial territories.

step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80