The line that shows the climax, the highest point of rising action, in the poem is:
3) Plunged in the battery-smoke
Right through the line they broke;
Cossack and Russian
Explanation:
This line describes a significant and intense moment in the poem where the soldiers charge through the enemy line, breaking through and engaging in direct combat. This action represents the peak of tension and action in the poem, making it the climax where the events reach their highest point before resolution.