The U.S.S WARD saw a strafing Japanese plane, which convinced them that there was a war on.
"<span>A. It amounted to an informal declaration of Cold War" would be the best option, but it was not even remotely formal--in that it simply said that the US would come to the aid of any countries in danger of becoming communist. </span>
The increase of technology used during the construction of the railroads and factories is considered the second Industrial Revolution. This is because of the many inventions and help of transportation use. Hope this helps.