To complete the sentence, the answer would be the word "gather". Assemble is a synonym for "gather". Assemble means to gather something or someone together. Other synonyms include: build, collect, meet and congregate. The word "assemble" comes from the Latin words "ad-" meaning to and "-simul" meaning together.
Answer:both allowed people to, in different way, ''travel to new places
Explanation:
Meaning of experiment is A-controlled observation.
Part A: D
Part B: A
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