Which of the following statements about India's historical global connections are supported?
I. India was completely isolated from the world until the modern period.
II. The Silk Route connected India to civilizations in China, Persia, Egypt, and Rome centuries ago.
III. People from different parts of the world came to India as traders, conquerors, and migrants in the past.
IV. Colonialism was a system with a global dimension from its beginning.
V. Migration of people as a defining feature of globalisation is unique to the modern period.