What method did the union use to stop south cotton trade

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps

According to article 2, what was george washington's major concern about the rebellion in massachusetts?

Europe and asia are divided by a. the alps c. the pyrennes b. the northern european plain d. the ural mountains select the best answer from the choices provided a b c d