What made cambrai initially successful and what was the outcome?

A British attack, originally conceived as a very large scale raid, that employed new artillery techniques and massed tanks. Initially very successful with large gains of ground being made, but German reserves brought the advance to a halt. Ten days later, a counter-attack regained much of the ground.

Explanation:

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answer; i believe the two groups were irish immigrants and chinese immigrants;

the correct answer is d. the monetary reserve is a set of funds represented in currency, money or similar, saved as a forecast of possible needs or for legal reasons.

the increase or decrease in the monetary base influences in the increase or decrease of the inflation rate. therefore, the excess of monetary reserve will cause the reduction of inflation.