The Second Intermediate period came about again though weak rulers and simultaneous dynasties competing from their differnt bases at Thebes and in the delta at Xois. This internal confusion enabled Middle Eastern outsiders, the Hyksos, to come pouring in to the delta and, for a time, take over almost the whole country. Their leaders became pharaohs, and they adopted local gods and traditions (with the unfortuane choice of Set as their main royal god). The Hyksos brought with them various technological innovations-- in arms, construction, metallurgy and agriculture, but relations between them and the indigenous population soured.