What U.S. president signed the National Environmental Policy Act, establishing a national policy to protect the environment?

Which of these was a U.S. Supreme Court case that arose in the Texas courts and was used to overturn antiabortion laws in all states?

a. Webster v. Reproductive Health Services b. Roe v. Wade c. Penry v. Lynaugh d. Smith v. Allwright e. Beare v. Smith

According to the institutional explanation of the democratic peace, democracies fight wars of colonial expansion for the following reason:

a. They respect the international law. b. The public supports war. c. There is a rally-round-the-flag effect. d. Democracies wish to gain policy concessions.