Reasons the US enters WWI: Entered 1917. Submarine warfare killed some Americans, Zimmerman telegram, and trade with allies. WWI Home front: (Support for the war effort Women and Minorities) Liberty bonds, ration, nurses, and factory workers. ...
The data processor unit, upon being informed of a call origination, enters the originating phase. As previously stated, the "data frame" (block of information) sent by the marker includes the equipment identity of the originator, originating junctor and register junctor, plus control and status...