This is what our own government reports.
Corruption directly threatens the viability and legitimacy of the Afghan state … 2 Corruption alienates key elements of the population, discredits the government and security forces, undermines international support, subverts state functions and rule of law, robs the state of revenue, and creates barriers to economic growth.[2]
I suspect everyone here has been appalled and discouraged by accounts of massive bribes, everyday extortion, thefts of fuel and equipment, ghost soldiers and civil servants, padding of payrolls, contract fraud, shoddy construction, and other misdeeds.
https://www.sigar.mil/newsroom/ReadFile.aspx?SSR=7&SubSSR=29&File=speeches/16/SIGAR_Carnegie_Speech.html#_ednref8