Complete the following sentences:
Since ancient times, trade relations (i) ______ between India and Europe. There (ii) ______ a great demand for Indian goods in the European markets. In the medieval period, land routes (iii) ______ for this trade. Later the merchants and rulers (iv) ______ to look for sea routes for their trade with India.
Vasco da Gama, a Portuguese sailor, (v) ______ round the tip of South Africa in 1498 and (vi) ______ at the port of Calicut in India. He (vii) ______ trade privileges from the Zamorin. In 1510, the Portuguese (viii) Goa. Thereafter, they (ix) ______ Diu-Daman under their control. The Portuguese (x) ______ huge wealth from their trade with India.