Which statement best explains why a research question needs to be focused? it needs to relate to the topic. it needs to be easy to answer. it needs to be narrow in scope. it needs to use different resources.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

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