D. 4 Puerto Rico is like this tiny little island floating in the atlantic ocean underneath florida
He invented the Tesla Coil leading to the possibility of wireless transmission
The hardships for Moving west were that you could run out of food or supplies. But there motivations were high becuase they needed more land becuase the population was growing and there wasn't enough room for everybody in their towns.
agree, since children are still doing labor work at a young age, unless the child wants to work on the farm its alright