WORLD HISTORY

Detailed explanation-1: -In 326 BC, Alexander invaded India, after crossing the river Indus he advanced towards Taxila. He then challenged king Porus, ruler of the kingdom between the rivers Jhelum and Chenab.

Detailed explanation-2: -A great conqueror, in 13 short years he amassed the largest empire in the entire ancient world-an empire that covered 3, 000 miles.

Detailed explanation-3: -During the invasion of India by Macedonian King, Raja Ambhi, the King of Taxila supported Alexander the Great and his soldiers in numerous ways. He also helped them by constructing a bridge in order to cross the Indus River. Hence, the correct answer is option (B).