IT IS D THE LONE STAR REPUBLIC!
The industrial revolution indeed was a great factor in the growth of population in industrialized countries. The population in industrialized countries had a sudden rise or increase due to the bigger and greater opportunities provided by the country thus, alluring more people to migrate.
Answer:
These multinational interests, along with overseas alliances and the modernization of sea transport, are what put the "world" in World War I. Enemy nations attacked each other's colonies and fleets, and laborers and soldiers were recruited from colonized countries, and brought to the front lines.
Answer:
yo this is just a geuss, i have not even learned about that subject yet, but maybe it is because they did not know How to keep records. Maybe they were not smart enough to keep them. Or maybe it is because they had no access to the technology to keep records. don't fail the class because of my advise though.
Explanation:
Again don't be completly reliant on this answer, i'm literally a middle school student that has no education on this topic. i hope it helps!