True or false. pollution was a problem in medieval towns. if false why?

What are economic systems and how do they differ?

Nationalsim led to major conflicts following world war1 especially when

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)