They gained knowledge about their target.
Rome managed to overcome it's difficulties with having issues in it's leading structure and the highest chain in command; namely Roman generals at the time wanted glory for themselves which prevented them from beating Carthage for some period together with the fact that Carthage had the incredible general Hannibal. After they consolidated and joined forces together, they were able to beat Carthage after a campaign of war.
Answer: to shape public opinion, the other one is wrong
Explanation:
Really. More of this Manifest Destiny! Great Britian/Canada and USA sat down and peacefully talked where the lines should be drawn.
Eichmann trial was different in several ways. The public could, for the first time, watch coverage of the trial on television. The Eichmann trial brought the true scope of the Holocaust into public focus, filling the pages of newspapers with the stories of Holocaust survivors. While previous trials, including the Nuremberg Trials, had focused primarily on documentary evidence, the Eichmann trial called Holocaust survivors to the stand to share their personal experiences, with approximately 100 survivors taking the stand and testifying during the trial, which lasted from April 1960 until August 1961.