The zimmerman note offers mexico an alliance with germany is it a cause or effect

A cause

Explanation:

It is a cause because the effect is America entering the World War. They "found" the Zimmerman Note and got "angry" because they were teaming up as an alliance against America.

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.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.