Why did the majority of the european uprisings fail
a. the uprisings failed as a result of fighting between the classes
b. the uprisings failed as a result of military force and lack of popular support
c. the uprisings failed because rebels from different countries did not work together
d. the uprisings failed because more people supported the monarchs

The majority of the European uprisings failed as a result of military force and a lack of popular support. (Option b).

Revolutions of 1848, constituted a series of republican revolts against European monarchies, beginning in Sicily, and spreading to France, Germany, Italy, and the Austrian Empire. All those riots resulted in failure and repression, following by widespread disillusionment among liberals.

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation:

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.