Why were there so many world's fairs between 1900 and 1910

He electoral vote is tied between two presidential candidates. what happens next? the house votes to determine who wins the presidency. the senate votes to determine who wins the presidency. the presidency is decided by the supreme court. the presidency is decided by the popular vote.

One drawback of voluntary trade is that it a.requires two groups to use a common language b.can make one group dependent upon another for necessary goods c.doesn't occur unless there is a shortage of goods for at least one group d.forces groups to rely on themselves to produce all the goods they need

China fought for the . the soviet union fought for the . italy fought for the . germany fought for the . the united states fought for the . axis or allies