Answer:Military problems
Explanation:The First Crusade (1095-1102 CE) was a military campaign by western European forces to recapture Jerusalem and the Holy Land from .
Brainlist? Hope this helped
The Ems Dispatch was an internal message from the Prussian King to Otto von Bismarck in Berlin. The message ignited 1870-71 Franco-Prussian war.
B, they where free by Abraham Lincoln
Answer:there is a significant contribution by an ancient Greeks to the field mathematicians from fundamentals of geometry to the idea of formal proof. Greek mathematician also contributed importantly to ideas on number theory, mathematical analysis, applied mathematics, and, at times approach close to integral calculus.
Explanation:
<span>They worked in war industries , manufacturing weapons and supplies</span>
