Why did the United States support open trade? Check all that apply.
to help the economy at home
to reduce the amount of international trade.
to limit interest in Soviet goods
to help rebuild Europe's economy
to improve relations with other countries
to prevent the spread of communism

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

the real answer is b

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.