<span>Led to the transatlantic slave trade</span>
The purpose of a state issued bond, to have a means if control in government.
Large quantities of potatoes were imported by Europe as a result of the Columbian Exchange and the introduction of a new variety of seeds helped the growth of potatoes.
Robert's statement reflects his self concept in which is being defined that a self concept is something about a person of having strong beliefs of one's self of what he or she is capable of doing and he or she responds it as well towards others based on what he or she believes of what he or she is capable of doing. It could be seen from Robert's behavior as he tries to say things that he believes that he likely does and what he would likely do in the future.