How could i splice dna?

use this

Gene Splicing. In gene splicing, scientists take a specific restriction enzyme to unravel a certain strand or strands of DNA. The DNA's double helix structure is then separated into single strands.

^not my words^

hope that helped

"Churchill prepared for war" is the one action among the choices given in the question by which Winston Churchill influenced Hitler’s strategy at the beginning of WWII. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer has helped you.