Explanation: Intarsia is a knitting technique used to create patterns with multiple colours. As with the woodworking technique of the same name, fields of different colours and materials appear to be inlaid in one another, fit together like a jigsaw puzzle.
The thing that was heard before the armies then meet at the climax of so called the battle on ice in Alexander Nevsky would be a. a chorus singing a homophonic phrase. Hope this is the right answer and would be of help.