You must be talking about the assassination of Archduke Franz Ferdinand of Austria. This was an event which triggered the start of WWI.
Answer:
A creeping bombardment, first employed at the Battle of the Somme, featured artillery fire going forward in stages only ahead of the advancing infantry. ... The plan demanded correct timing for both the heavy artillery and the infantry to function. Failure to do that would result in their own troops being killed by artillery.
D, unemployment would have to rise so by process of elimination A and D are left. You can limit out A because less employment means less cash flow!
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the Universe with Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all orbit Earth.
Constantine was the ruler, he eventually took over the Roman Empire and united Western Europe under Christianity.
