Question

how can we study modern period
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Answer 1

Answer:

The official records and newspapers belonging to the modern period work as primary sources because they are first hand records and documents that provide the required information. The sources like magazines and books serve as secondary sources as they were recorded after the event took place.

Answer 2

Explanation:

learn it

but for class 10 purpose

you need to learn

only

1st 2nd 13th 14th 15th 16th 17th 18th 19th 20th periods