Medical technology to treat malaria allowed Europeans to more successful colonize tropical areas during 1800s. During 1800s European considered malaria as a massive treat to their plan to colonize west Africa. The discovery for a medicine for malaria enabled European to colonize west Africa..
One reason why peasants might have been interested in fighting in The Crusades is because this would have enriched the crusading country--which would have led to an increase in their standard of living (to a certain extent).
Because Pancho Villa attacked the town of Columbus, New Mexico
The answer is C, I am not sure what the "whig" party is, I assume it is referring to the republican party.
Here's some that I know:
Quarrel (to fight or argue,)
Acknown (aware or make known,)
Asquint (crooked, or falsley,)
Besmirch (to smear or make dirty,)
I know more, so if you need to know more ask I can name some more.
Hope this helps. :)