The U.S.-Israel alliance is best explained by

The Supreme Court case of Buckley v. Valeo

A) ruled that political action committees (PACs) are illegal. B) modified the Federal Election Campaign Act of 1974 and opened the way to independent expenditures. C) ruled that the use of soft money in a national campaign is illegal. D) ruled that the use of independent expenditures in a national campaign is illegal. E) was overruled by a subsequent Supreme Court case.

A nominal variable that only has two categories is known as:

a. dichotomous b. bivariate c. univariate d. bi-modal