Some factors that may make it difficult to keep speed during a stairway evacuation are exhaustion or the person's mental state. During a period of evacuation, the stress suffered is going to affect how people are going to respond, and how they are going to react. Also, the architecture of the stairway may affect the stairway evacuation process.
Following WW1, which was considered by most Americans as a futile war of little importance to the US, the US entered a consensus (majority agreement) that they should adopt a policy of "isolation" towards Europe, which was increasingly unstable. The US public did not want to be drawn into another European war. Although, the US mantained strong economic links, such as the various economic bailouts and loans they gave to Germany's Weimer Republic and exported greatly to Europe.
Basically your answer is a Policy of Isolation.
Hope I helped :)
Popular culture is fluid and can change quickly. (A)
It has definitely changed throughout the years.
Answer: The United States received the Philippines and the islands of Guam and Puerto Rico. Cuba became independent, and Spain was awarded $20 million dollars for its losses. The treaty prompted a heated debate in the United States. The major effects that stemmed from the war were that Cuba gained their independence from Spain, the United States gained Guam, Puerto Rico, and the Philippines, and the Spanish Empire collapsed. Cuba had been fighting for its independence from Spain for many years before the start of the Spanish-American War.