own country’s flag and the flag of the country
they are visiting. When a ship flies only its own
flag, it is ready to fight. Every country now has a
flag. Every U.S. state has a flag. Clubs, teams,
and schools have flags. The Olympics has a flag.
The Olympics flag has five rings of five colors.
Each
ring stands for, or represents, a continent.
It means that people from five continents –
Africa, Asia, Europe, North America,
and South
America – come to play. Railway lines also use
flags. Railway flags tell the trains what to do.
For example, a red
flag tells the train to stop,
just like a stop sign. A blue, white, or green flag
tells the train that it can go. A blue flag on the
side of a train means
someone is working on
the train. It means nobody can move the train.
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