What was an advantage of alternating current (AC) electricity? (ONLY ONE) a) It was powerful enough to run motors.
b) It allowed electricity to be carried longer distances safely.
c) It enabled electricity to work in both small and large appliances.
d) It was inexpensive enough to use in homes.

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

Which of the following statements about this graph is accurate? world grain production has increased in every year since 1950. the amount of grain grown between 1950 and 1980 decreased. world grain production has generally increased between 1950 and 2010. more grain was grown in 1950 than in any other year.

Even though both ww1 and ww2 were in many ways the same conflict with basically the same countries facing off against each other, the way each war started was significantly different. the question is how what were the differences on how they started