Answer:
The battle that convinced the French to help the American's fightwas the The Battle Of Saratoga. An American victory.
Explanation:
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The New Life Movement (Chinese: 新生活運動; pinyin: Xīn Shēnghuó yùndòng) was a government-led civic movement in 1930s China to promote cultural reform and Neo-Confucian social morality and to ultimately unite China under a centralised ideology following the emergence of ideological challenges to the status quo.
Mussolini became the leader of fascist Italy
The treaty of versailles ended world war one
The answer is "wanting to disguise the truth they have uncovered."
Some historians find this tough. One of the reasons would be because not all people may or may not, like the truth. Some historians would omit some part of the truth to keep violent reactions from the readers or outsiders.