How do you know that berliners expected a retaliatory air strike ,following that attack on poland.?

Because it was based on a military tactic called blitzkrieg or blitzkrieg it is the popular name that receives a military tactic of attack that involves an initial bombardment, followed by the use of mobile forces attacking with speed and surprise to prevent an enemy from carrying out a coherent defense. The basic principles of these types of operations were developed in the twentieth century by several nations, and adapted years after the First World War, mainly by the Wehrmacht, to incorporate weapons and modern vehicles as a method to avoid trench warfare and the war on fixed fronts in future conflicts.

the answer is a. 250 percent.

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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