1) Key Concept 2.3 discusses the increasing interactions within the Atlantic World between the 17th and 18th centuries and how this impacted colonial development. Religious, economic, and cultural exchanges grew significantly. 2) The growth of slavery and triangular trade connected Africa, Europe, and the Americas in a complex system. Racial hierarchies emerged among the British colonies. 3) Over time, Britain sought to strengthen imperial control through policies like the Navigation Acts, but this met with resistance from colonists accustomed to autonomy. The salutary neglect period ended as imperial control tightened after the Seven Years War.