What was the main concern of the portion of roosevelt's audience that supported the united states' involvement in the conflict?

The correct answer is C). whether they should approve Roosevelt's request for more funding.

The main concern of the portion of Roosevelt's audience who were members of Congress was whether they should approve roosevelt's request for more funding.

At the end of 1939, Roosevelt requested the Congress the approval of $80 million to support the military to accelerate its rearmament. He listened to the recommendation of Harold Starks to spend $4 million to help the U.S. Navy in order to equal the fleet of England. Roosevelt encountered the Republican members opposition and finally, the amount of money authorized by Congress was $1.3 billion.

To try to compensate the situation, Roosevelt created a plan to sell weapons to France and Great Britain.