Plant domestication
A. allowed people to migrate freely
B. was more labor-intensive than hunting and gathering
C. was an easy process that occurred quickly
D. lacked success until the 20th century

There’s no picture or character?

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