Tanks and Aircraft were both popular tools of combat during World War II
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The Knights of Labor favored political and legislative methods to achieve their goals. As it became more popular and local Knights of Labor organizations became more autonomous, strikes and boycotts became the preferred methods.
Bullfighting was originally on horseback but fighting on foot became popular starting in 1726.
Because of media reports and scares about intensive farming methods.
The submarine became a powerful naval weapon in WW 1. Also, the British introduced the tank in the same war. It was an armored fighting vehicle with a canon. Air warfare also became a significant part of the war.
Many believe they were fighting because of their ancestors and it became a tradition
Facebook became popular in 2004
she became popular in 1980
The teddy bear became popular in about the 1700's. They weren't popular till then.
They became popular by the hits that they sing and rap to.
Popular 1920's DanceThe Foxtrot became popular in the 1920s.
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