To cause troops, etc. to spread out in readiness for battle

A. Disperse

B. Deploy

C. Collocate

D. Align

Answer: Option B

Solution(By Examveda Team)

One word substitute is Deploy.

Disperse: distribute or spread over a wide area.
Deploy: move (troops or equipment) into position for military action.
Collocate: place side by side or in a particular relation.
Align: place or arrange (things) in a straight line.