The cause of the U.S. participation was pirates from the Barbary States seizing American merchant ships and holding the crews for ransom, demanding the U.S. pay tribute to the Barbary rulers. United States President Thomas Jefferson refused to pay this tribute. Sweden had been at war with the Tripolitans since 1800.
They have continued to improve and are still used today.
I believe it is A. reduced by half, because when the cars were invented it shortened travel time but cars have to follow road systems and trains don't have as many obstacles
The answer is C
I play alot of history games and watch alot of ww2 stuff so I know