Answer:
Poland
Explanation:
The first and most difficult test case was Poland,the eastern half of which had been invaded and occupied by USSR in 2939
BC means before Christ while AD means after the birth of Christ, the one key difference between counting years in BC and AD is when you count time in BC the years decrease as you approach AD on the timeline.
Explanation:
Mass production is the manufacturing of large quantities of standardized products, often using assembly lines or automation technology.