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21 Cards in this Set

  • Front
  • Back
confederation
a loosely united group of governments working together
treaty
an agreement between countries or groups of people
generation
the average time between the birth ofparents and the birth of their children
port
a trading center where ships are loaded and unloaded
representation
acting or speaking on behalf of something or someone else
independence
freedom to govern oneself or freedom from control by others
revolution
a large sudden change in government or in people's lives
declaration
an official statement
waterway
a body of water that boats can use
navigable
deep and wide enough for ships to use
rapid
rocky place in a river where sudden drop in elevation causes fast moving or dangerous water
canal
a waterway dug across the land
lock
part of a canal in which the water level can be raised or lowered to bring ships to the level of the next part of the canal
competition
in business the contest among companies to get the most customers or sell the most products
turnpike
a road that drivers must pay to use
mileage
the distance between 2 places
megalopolis
a huge urban region formed when 2 or more metropolitan areas grow together
immigrant
a person who comes from some other place to live in a country
commute
to travel back and forth
unemployment
the state of being without a job
metropolitan area
a large city together with it's suburbs