Why is the zimmerman telegram considered a major cause of the united states entering world war i? it guaranteed the use of german u-boats against the united sates navy. it was proof that russia had been planning an attack on the united states for years. it showed that there was an attempt by germany for mexico to attack the united states. it proved that the german foreign minister, arthur zimmerman, was a spy.

What from the columbian exchange had perhaps the biggest impact on the world?

The area directly outside a city is called 1 rural 2 urban 3 suburban

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario