✅ Correct Answer: German
Source: This question is taken from the General Knowledge (GK)
✅ Correct Answer: Friedrich Engels and Karl Marx
Source: This question is taken from the PROVINCIAL MANAGEMENT SERVICE, ETC. BS-17
✅ Correct Answer: 1776
✅ Correct Answer: Friedrich Engels and karl Marx
Source: This question is taken from the Labour Officer BS 16 Human Resource Department