Invasions by the barbarian tribes.
Answer:
House of Learning is a house that contains twelve scenes. Children get to select objects and characters in order to interact with the app. House of Learning is an app developed by a certified Speech-Language Pathologist, and it serves both as a tool for learning and playing.
Explanation:
<em>The Vietnam War</em> was known in Vietnam as "<em>The Resistance War Against America"</em> from around 1955 and 1975; it was initially (<em>the 2nd Indochina War</em>) between North Vietnam and South Vietnam; North Vietnam supported by U.R.S.S. and South Vietnam supported by U.S.A. which got involved around 1960, the conflict was intensified by the "<em>Cold War</em>" at that time.
The "<em>Viet Cong</em>" used guerrilla warfare and <em>American soldiers had trouble finding attackers in the dense jungles</em>; around 58,000 Americans were killed in that war; U.S.A. took away forces in 1973 and North Vietnam took control of South Vietnam.
Answer:
d. Between 5 and 9 items from the list.
Explanation:
George Miller's research: The research on magical number seven was published in 1956 in Psychological Review by George A. Miller.
The cognitive psychologist named George Miller has given the magical number seven. He believed that an individual can process 7 ± 2 objects consciously at a time. The magical number seven plus or minus two demonstrate the capacity of an individual's short-term memory. An individual can store five to nine items in his or her short-term memory at a time.