- Whiteboard
- Flag
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Whereas
both Europe and China use standard railroad gauge (1435 mm), Russia
deliberately chose the wider "Russian gauge" (1520 mm) that gives
greater side-to-side stability in railways cars and, more importantly, acts
as a national defense,
so that it would block a
foreign army's supply line and preventing these bordering powers from invading
by train.
Title
Whereas both Europe and
Your Result
Correct
Difficulty
Medium
Your Pace
0:06
Others' Pace
1:13