Deuteronomy 32:11-12

Deuteronomy 32:11-12

[11] As an eagle  stirreth up  her nest,  fluttereth  over her young,  spreadeth abroad  her wings,  taketh  them, beareth  them on her wings:  [12] So the LORD  alone  did lead  him, and there was no strange  god 

What is the context of Deuteronomy 32:11-12?