Which of the following techniques has been in practice the longest?

Which two statements best shows the effects of the congress of vienna on eroupe

The military dictatorship inviolently reacted to the opposition of the maya, who demanded greater rights for their native population. the genocide inresulted from a struggle between arab nomadic tribes and non-arab agricultural groups. the tutsi were the victims of genocide inat the hands of the hutu rulers.

What notable contributions to science has sandia national labs (snl) produced over the years?