Q1. The Vietnam War was a counterinsurgency that involved us in guerrilla warfare that was similar, in some ways, to what we face in Afghanistan today. But the way the Vietnam War was conducted was considered to be immoral and unjust by many.

Explain the prevailing arguments of what constitutes a "just war," and assess the justice of the Vietnam War in that context. Speculate on how the world would be different today if the U.S. had not become involved in Vietnam.

Q2. A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.