Explain the two alternative method of payment to the exporter

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

The term "jim crow" is used to describe which of these? a) bans on hunting b) segregation of the races c) preventing women from voting d) creating more public schools

Which features are created on the exterior of a volcano when it erupts? check all that apply. vent crater hot spot lava flow boundary