How did the conflict create tension between colonial militaiamen and british troops?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?

What were two theories put forth by marx?