I believe the answers is d
The primary difference between paper value and real value is that paper has no "real" value in that the currency is based entirely on faith--whereas real value (as it exists in something like Gold) is intrinsically useful. <span />
Geographic means physicals features of the land in this case you look at only the negatives of this like big bodies of water mountains and steep terrain these made it difficult because some settlers didn't have horses or were traveling in large groups wich could contain elderly and young children
