Choose some of the enemies of the Sikh Gurus in the sixteenth and the seventeenth century.
State whether true or false:
(a)Nadir Shah invaded Bengal.
(b)Sawai Raja Jai Singh was the ruler of Indore.
(c)Guru Gobind Singh was the tenth Guru of the Sikhs.
(d)Poona became the capital of the Marathas in the eighteenth century.
Give two examples of different types of global exchanges which took place before the seventeenth century, choosing one example from Asia and one from the Americas.