| A | B | 
| buffer | an area of land that serves as a barrier | 
| presidio | a fort | 
| permanent | long lasting | 
| scarce | not plentiful | 
| haciendas | large estates where cattle and sheep are raised by the thousands | 
| self-sufficient | self supporting | 
| missions | small religious communities | 
| royal colony | a colony controlled by a king or queen | 
| portage | boats that could navigate through shallow rivers | 
| tributaries | branch rivers | 
| proprietary colony | a colony owned by one person | 
| proprietor | owner | 
| charter | a document giving a person or group of people official approval to take a certain action | 
| cash crop | something raised to sell to others | 
| refuge | a safe place | 
| puritans | a member of the church of England who wanted to make christian beliefs "more pure" | 
| fundamental orders | the first written system of government in North America | 
| immigrants | people coming to live in a country after leaving their home country | 
| indigo | a plant from which blue dye is made | 
| debtors | people who had been in prison for owing money | 
| classified | sorted |