Expansion of Slavery impacted the lives of already enslaved people, by causing them to continue being abused and held as slaves. The expansion further strengthened the practice of slavery, making it even harder for slaves to escape and causing more people to be enslaved too.
Ionic bond is a type of linkage formed from an electrostatic attraction when a positively charged ion forms a bond with a negatively charged ions and one atom transfers electrons to another.
I think that The United States recognized Hawaii as its own nation and had to sugar tariffs imposed on the sugar that was being imported from the island to the mainland US.