How many member countries had the EU gained before the UK voted in favour of BREXIT?

A state in which severe restrictions are placed on the activities

of individuals and groups who want to participate in the political system would most appropriately be characterized as: A) a republic. B) constitutional. C) authoritarian. D) dictatorial.

In attempting to reduce confounding in differential research, the variable that should be held constant is

A) The variable we are most interested in. B) The variable we have no interest in. C) The dependent variable. D) The independent variable.