A Historian would look for a primary source (option d. ) - the definition of a primary source is that it was written at the time of the event, and not later (this is the secondary choice).
The five characteristics are:
1. private property
2. capital accumulation
3. wage labor
4. voluntary exchange
5. price system and competitive markets
Answer: reincarnation and enlightenment
Explanation:
1. The agreement of Defense Alliance which is contained if one country being attacked then the <span>allies must helping.
2. Imperialism which is mean when a country try to colonize another country to take all the natural resources for themself
3.Militarism which is mean the war of weapon.
4. Nasionalism it caused by Slavia nation in Bosnia and Hergezovina don't want to be a part of Austria-Hungaria, but they want to be a part of Serbia, but mostly every countries in Europe were trying to prove their domination and their power
(sorry my english not really good,,hope you can understand)
</span>