Since WWll, Us bombed hiroshima, and nagasaki. Why arent they enemies?

The United States was justified in dropping an atomic bomb on Japan's, Hiroshima and Nagasaki during the Second World War because it was beneficial to the U.S, retaliation and end the war faster.  and i belive japan agreed

Explanation:

for starters, there is the structural trend of rising primary government expenditure as a share of gdp, which reached 36% in 2014, up from 22% in 1991. this increase reflected a political desire to address the poverty and inequality that had gone unaddressed during previous decades. to support the increase, brazil’s government increased taxes on consumption and promoted progress toward labor-market formalization. nonetheless, public investment, particularly in infrastructure, took a hit. in fact, with the exception of the 2005-2008 period, total investment as a share of gdp has remained below 20% since 1991.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.