Why is french still used as the language for commerce in morocco and algeria?

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule

At which boundary does subduction stop occurring, resulting in a mountain range?