Which event from africa’s history does this image best reflect?

Use the drop-down menus to choose the letter that correctly identifies each geographical feature. andes mountains: caribbean sea: gulf of mexico: pacific ocean:

Which statement best explains how the invention of corporations contributed to the economy in the 1800's

Ineed asap! ! what is the name of the system in which each branch of the u.s government can limit the actions of the other branches? a. perpetual union b. division of powers c. cooperative federalism d. checks and balances