High school students from low-income families sometimes work after school to bring in extra income. Because of the hours they spend working, they have less time to do homework, which can lead to poorer grades. A researcher explores the effect of family income on grades. What type of variable is working part time in this study?

At the Constitutional Convention, in exchange for a ban on export taxes, the South agreed to let Congress have the power to _____

A) impose import taxes B) regulate voting rights C) appoint an independent executive D) ban slavery E) regulate interstate commerce

Which of the following would be an indication of majority tyranny?

A. when the majority uses law to suppress the rights of the minority B. when the majority votes for an autocratic leader C. when the minority uses law to suppress the liberties of the majority D. when the minority uses stalling tactics to delay the implementation of the will of the majority