Its curvy brushstrokes showed the experience of the fast-changing post-war world. hope this helps :)
If you do not write the option we can not help you
The purpose of the Constitution is presented in the Preamble or the Introduction of the Constitution. It explains a brief synopsis of the Constitution. Hope this helps! :)
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.