Liberals are increasingly facing a conundrum as the Pentagon experiences the deepest cuts in a generation: The significant reductions in military spending that they have long sought are also taking a huge bite out of economic growth.

Liberal lawmakers and others on the left have argued for years that the military budget is bloated and should be dramatically scaled back. At the same time, they have been major advocates of government spending to help drive economic growth and create jobs.

Fresh data on the state of the economy Friday showed that the two goals are coming into conflict. The economy grew only 2.5 percent in the first quarter, in large part because of a sharp 11.5 percent drop in military spending, and that came on top of an even bigger 22.1 percent plunge in military spending at the end of last year.