They don't use them because they are not economically sustainable for countries. Uranium is pretty cheap for countries and new technologies enabled the people to cheaply enrich it and use it so using breeder reactors got shunned away because of economic sustainability. The regular nuclear reactors are much more cheap than breeder reactors.
Latitude measures D) distance north or south of the equator.
In 1837, an immediate cause of panic was that the <span>federal government stopped accepting paper money for the purchase of land</span>
Dairy and cattle ranching are the most important agricultural activities in New Mexico. About 39% of the state's total agricultural reciepts are generated by dairy products. ... Beef cattle are shipped to other states for fattening and slaughter. Sheep and lambs and hogs are also important.