What is the "ancient endless chain," symbolic of?

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

"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."

the answers are a b and d

number 4. should be the correct answer