What were the causes of conflict in Vietnam and Southeast Asia?

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

What features of the electoral system support the existence of a two party system and analyze one of these features and explain its role

When this was published in early 1776, many american colonists became convinced that they should act to form a new kind of nation independent from the rule of britain's "cruel" courts