Beginning in the late 1800s, european countries signed
treaties in which they promised to aid one another in the
event of attack. germany, austria-hungary, and italy joined
together under such a treaty, as did great britain, france,
and russia. this meant that an attack on one country
could quickly spread to include other european powers.
which contributing factor to world war i does the passage most clearly
reflect?
o
a. the alliance system
o
b. imperialism
o
c. nationalism
o
d. militarism