Manifest destiny was realized in the mid-1800s in various ways
<span>Many historians suggest
that the early American civil war they used the Napoleonic tactics. They
utilized this tactics mostly in battle even though the weapon they had was
capable of more advanced tactic. During
the encounter and in the battlefield, their men would be in a tight formation,
soldiers close with one another (elbow-to-elbow formation). Moreover, Guelzo
asserted than within 600 years the guns they had during their time was apt but
because of the smoke released by gun, soldier’s visibility would be at risk. Hence,
even though technology and weaponry was developing the generals in the civil
war never minded using alternate tactics instead they stick into what’s
traditional. The usage of skirmishes was utterly significant instead. They were
practical and improving methodologies and tactics in the field of battle and
combat to combat exercises rather than tools of war –weapons. </span>
Lincoln's assassination damaged the north's and south's relationship, increasing the north's hate toward the south. His death gave the Radical Republicans more freedom to punish the south. And it put Andrew Johnson in charge who also wanted to punish the south and had a very bad relationship with the Congressmen.
I don't know what the video was so I can not answer that I am sorry. But I did think and write about your first question.
