Following the period of the crusades
a) christian invaders adopted muslim scientific learning and military techniques.
b) christian invaders destroyed most evidence of muslim intellectual achievements.
c) muslim defenders repeatedly lost major portions of their empire to the christians.
eliminate
d) muslim defenders adopted christian military practices in order to defeat their foes.

the recent bombing of the uss cole is one of many incidents of terrorism directed against the united states. more than 40 percent of the world’s terrorism is directed against u.s. targets.   pursue the alleged perpetrators through the criminal justice system, and still others would beef up intelligence capabilities. to deal with potential attacks involving weapons of mass destruction, some analysts advocate extending the reach of law enforcement agencies or spending more on domestic preparedness programs; others would encourage a policy of u.s. military restraint overseas to attempt to reduce the motivation for terrorist attacks on u.s. targets.

sorry i do not know this