History 6 Hopefully I get some help please explain your answer it's nor B

They could transport goods to market faster

Explanation:

This answer seemed to be the best one since it is true and it is bigger than a wagon with a horse pulling it and they require more people to work on them because of their size.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.