What advantage did the astrolabe give sailors? It allowed them to more accurately measure the depth of the water.

It allowed them to more accurately know their direction.

It allowed them to more accurately know how long they had been at sea.

It allowed them to more accurately measure latitude.

a) romans valued loyalty and discipline

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation: