1. What was one cause of the development of many small independent city-states in ancient
Greece?

There is no map, maybe give the link, it may be b

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion

5cells cover texas east to west.