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.
Diverse speech pattern and advanced thought
Answer:
Right Section: When a country takes over a section of land it is called imperialism. With Britain gaining more land and France doing the same thing that caused Germany to create a rivalry with France and Britain.
Bottom Left: This contributed to WWI because the rivalry caused a war to break out for competition over land and eventually it spread to other large countries.
Bottom Right: This connects to today because large business fight over who has more profit and over who has more buildings so more and more of their building get built.
Explanation:
Hope this helps
From mid 1929 to mid 1931