Which region was made up of small, subsistence farms often isolated from eachother?

What is the term for a short statement about history that has not been yet been proved

Which of the following economic terms describes an increase in product price without the increase of money's worth?

For each statement, select whether it is true of the central pacific railroad, the union pacific railroad, or both. it began in nebraska. it began in california. it went through the sierra nevada. it went through the rocky mountains.