Carl Vinson was extremely supportive of the US Navy in their roll of defense, however, though this is the case he never favored the financial gain of under US military branches to aggregate the Naval funds at the time. So the first answer, answer A, if false. Though Carl Vinson was pro Navy, this didn't mean that the Navy could start retiring it men, the number stayed roughly the same, because of course we had people actually retiring or enlisting. This makes option B false. Other nations were always a threat, maybe no apparent to the US but seeing how the United States reacts to situations, this is a gross understatement. Option C is false. His efforts DID in fact help naval expansion needed in order to defend Pearl Harbor during attack. Option D is correct.
1.discovery of iron
2.the use of iron weapons
Trans-Saharan trade requires travel across the Sahara between sub-Saharan Africa and North Africa. While existing from prehistoric times, the peak of trade extended from the 8th century until the early 17th century. ... Cattle were introduced to the Central Sahara (Ahaggar) from 4000 to 3500 BC.
B. People are not perfect and need a government to help control those imperfections.
He said men are not angels and if men were angels no government would be necessary. Inferring he means that people are not perfect and sometimes need leaders or someone in charge in order to correct them.