The bar diagram shows average rainfall for periods of 50 years. Study the bar diagram and identify the two periods in which a civilization would most likely collapse.

In 1965, as the conflict in Vietnam intensified, the United States declared war against North Vietnam. decreased the number of US troops in Vietnam. escalated its troop commitment to the conflict. began defending North Vietnam against the Viet Cong

Eyewitnesses often have different accounts of events, so historians must believe every account they see or hear. evaluate each account to discover the truth. consider no eyewitness accounts at all. determine only one account to be the truth.

In May 1960, the Soviet Union and the United States were at odds over the "U-2 Incident" which involved

Where was there a revolt against Communist rule that Eisenhower did not support with action?

The televised "checkers speech" saved which candidate's political career and position as vice presidential candidate?

The first two sentences of article IV of the constitution focus on relationships between

Which organisms is most likely 50 meters in size?

How many city's are in the USA

Where, in general, we're the states that granted women full suffrage before 1913 located?

In the Early 1900s, why was Russia behind the rest of the industrialized nations economically?