What do hisorians do when they evaluate a source of information about the same past

Historians look for causes and effects that help to explain how and why events happened. They try to see the past through the eyes of the people who lived in the time period. When they study the past, historians ask themselves questions. The answers to the questions help historians draw conclusions about the past.

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

b. they tried to evict the squatters from the area.

so sorry if wrong