Civilians played a crucial role in supporting the war effort in both India and Africa in several ways. One of the primary contributions was their involvement in managing medical units on battlefields, providing essential care to wounded soldiers and supporting healthcare logistics. Additionally, civilians contributed significantly by growing food and producing other items needed for the war, ensuring that soldiers and local populations had the necessary supplies.
However, the statements regarding "all Indian workers moved to Europe to work" and "most civilians moved to Europe to aid in manufacturing efforts" may be misleading or overly generalized. While some may have migrated for work, many civilians stayed in their home countries to support war efforts locally through agriculture and manufacturing.
Overall, the most accurate contributions noted are related to the logistical, agricultural, and medical support provided by civilians, which were vital for sustaining the war effort in both regions.