Cahokia was destroyed in part by floods and what man-made factor?
a. a rival city's invasion after damming the river

b. the irrigation canal the cahokians had built

c. the fact that maize was planted too close to the riverbank

d. the cahokians' stripping the forest of trees to build an interior wooden fence

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."