Answer 4 Eighteenth century questions. (doesn't have to be long answers) 1. How did massive migrations and demographic shifts, especially after 1720, alter colonial economies? How did they alter Euro-indigenous relations? 2.Why did the massive eighteenth-century influx of European immigrants—especially non-English immigrants to the English colonies—begin at nearly the exact same time as the massive forced migration of enslaved Africans? What is the relationship between these two major demographic waves? What are key dates tied to both migration waves? 3.How did these European and African migration waves shape Indigenous migrations? What is the relationship between European settler colonialism and the movement and migration of Indigenous groups and peoples? 4. how did the Transatlantic Slave Trade intersect and overlap with the Indian Slave Trade? Why did these trades intersect? What were the geographic scopes of each?