just a few questions....

i just finished taking a few practice tests online and i ran across some questions that asked about people, places, and confrontations that i was unaware of. if anyone knows anything about the following items please let me know:
1. guelf vs. ghibelline struggle in italy
2. britain's series of orders in council of 1806
3. the operas of richard wagner
4. pogroms
5. afrikaners
6. the policy of extra-territoriality
7. henry bessemer

Here is a link to the answer of your first question: http://www.britannica.com/EBchecked/topic/248202/Guelf-and-Ghibelline

Hope it helps!