The stretches all the way from hungary to manchuria.

The correct answer is: the Eurasian Steppe (also called the Great Steppe)

The Eurasian steppe is a huge ecoregion - a region of the same characteristics - that is characterized by the growth of grass and the lack of trees. Stepps were historically inhabited by nomadic tribes.

Answer( solar wind );

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