Hi team who know or doing this before?

C. naturally in the environment

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

Hey there 78724,answer: this was part of the brazil's rural development strategy. thus, brazil began a road construction programme.hope this : d~top