The alignment of ancient Chinese cities toward the cardinal directions (north, south, east, west) best illustrates the importance of which of the following factors in the shaping of these early cities?

Answermongolia;

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

Iwould say the answer is: trade windshope that : )