Glossary

to adjust oneself to different conditions

to choose or take as one's own

a disease of the immune system characterized by increased susceptibility to infections

 an advantage

A contagious, often fatal epidemic disease  transmitted from person to person or by the bite of fleas from an infected host

a group of travelers, as merchants or pilgrims, journeying together for safety in passing through deserts, hostile territory

a fight, battle, or struggle, especially a prolonged struggle

 any of the military expeditions undertaken by the Christians of Europe in the 11th, 12th, and 13th centuries for the recovery of the Holy Land from the Muslims.

the behaviors and beliefs characteristic of a particular social, ethnic, or age group

to destroy a great number or proportion of

to tame, to train for human use

the belief in the superiority of one's own ethnic group or culture

 derived from another country or nation, not native

combined in one body; made part of

something newly introduced, such as a new method or device

coming into contact

 depending on each other

the making of goods or wares by manual labor or by machinery, especially on a large scale

a country, locality, or situation in which a blending of races, peoples, or cultures is taking place

movement

good

highly contagious disease, caused by the variola virus, and characterized by a pustular eruption that often leaves permanent pits or scars

to carry, move, or convey from one place to another