What did the lend-lease act do? a. it permitted all warring nations to borrow military equipment from the united states as long as they promise to return it after the war. b. it permitted great britain to borrow military equipment from the united states as long as they promised to return it after the war. c. it permitted great britain and germany to rent military equipment from the united states throughout world war ii. d. it permitted germany to rent military equipment from the united state at very reasonable rates.