over time _____ has gained power at the expense of ____.

6 answers

bureaucracy over people?
the government
the citizens

among many other possible answers such as:
money, health
military, poor
capital , labor
federal government , states
Well, I guess our first choices are consistent :)
Are these your choices?

A.the Senate, the House
B.the House, the Senate
C.Congress, the president
D.the president, Congress

I like Damon's and my answers much better than yours.
Well, presidents seem to start wars without much voting in Congress these days :)
I agree with Damon ... D seems to be the answer your text/test is looking for.