The tragedy of the Darfur region of Sudan, beginning in 2003, is an example of ______.

Thomas Jefferson saw his primary role in drafting the Declaration of Independence as ______.

a. justifying and defending American independence using logic b. complaining to Parliament about the actions of the king c. persuading other nations to support American independence d. persuading British citizens to support the American ideal

________ is the heating up of the Earth’s atmosphere caused by greenhouse gas emissions.

Fill in the blank(s) with the appropriate word(s).