Why was the introduction of corn and potatoes to europe and asia so significant

It was so important because both were inexpensive and easy to grow, so it changed the way of life for many people. 

Ifound this on google “the change in control meant as house minority leader, pelosi was widely expected to become speaker of the house in the next congress. on november 16, 2006, the democratic caucus unanimously chose pelosi as the democratic candidate for speaker.” i hope this