Deuteronomy 32:13-14

Deuteronomy 32:13-14

[13] He made him ride  on the high places  of the earth,  that he might eat  the increase  of the fields;  and he made him to suck  honey  out of the rock,  and oil  out of the flinty  rock;  [14] Butter  of kine,  and milk  of sheep,  with fat  of lambs,  and rams  of the breed  of Bashan,  and goats,  with the fat  of kidneys  of wheat;  and thou didst drink  the pure  blood  of the grape. 

What is the context of Deuteronomy 32:13-14?