Answer:
Technological advancements
Explanation:
In simple words, generation gaps refers to the differences between two individuals born in different time period, usually at a difference of ten years, regarding their opinions, perceptions and life style culture.
Such gaps occurs majorly due to technological advancements which change the overall lifestyle in the community and thus results in significant differences between generations.
Domesticating animals learned it freshman year
I believe the Monroe doctrine did not state number 3.
Answer:
Joseph McCoy transformed the cattle business into a national industry.
Explanation: