Raising livestock in the sertão is difficult because there is little grazing land. The Sertão is one of the four sub-areas of the upper east of Brazil. Initially, the term alluded to the huge hinterlands of Asia and South America that Lusitanian wayfarers experienced.
My guess on this question would be : Cold War .During Cold War USSR and USA were investing huge money in defenses and military technology to show each other they are powerful. Though its called Cold 'War' there was no war. There were no fighting. Just show.
Download this app called “Conects” on you’re phone and thank me later
