Which best describes why trade was difficult during washington’s first term as president?
there was a trade embargo on us ports.
there was little available transportation.
there were multiple currencies.
there were few products to trade.

There were multiple currencies.

Explanation:

When he took office in April 1789, Washington faced "a sea of difficulties": he had inherited from the Confederation a Secretariat of Foreign Affairs headed by John Jay and composed of two more employees; a Treasury Committee without funds; a Secretariat of War that, under the direction of Henry Knox, had to take care of an army of only 672 men and without any Navy; and, finally, a huge federal debt and an almost total absence of income.

explanation:

there are two statements that are incorrect.

1. the marshall plan was a lend lease program. it was an economic plan that europe redevelop itself after wwii.

2. einstein didn't really do anything to further the allied cause in building the bomb. he merely sent a letter to fdr telling him (in 1939) that if the united states entered the war, perhaps it would be wise to build the bomb before germany did. i would say this answer is incorrect, but when america entered the war 2 years later, fdr thought it might be a good idea to take einstein's advice.

the 4th choice is definitely so wrong that is likely the single answer of this question

cornfield (filler filler filler filler ignore this filler filler)