The four types of trenches used by the Allies were:
1) Front-line Trench or Firing-and-Attack Trench
2) Support Trench
3) Reserve Trench
4) Communication Trenches
Railroads made transportation of materials, supplies, etc much faster and easier.
Canals (such as the panama canal) helped make water transportation easier and quicker.
Roads made everyday travel easier
The year 1776 is in the 18th century. It lasted from January 1, 1701 to December 31, 1800.
The attack commenced at 7:48 a.m. Hawaiian Time (18:18 GMT).[nb 4][16] The base was attacked by 353[17] Imperial Japanese aircraft (including fighters, level and dive bombers, and torpedo bombers) in two waves, launched from six aircraft carriers.[17] Of the eight U.S. Navy battleships present, all were damaged, with four sunk. All but USS Arizona were later raised, and six were returned to service and went on to fight in the war.
