Answer:
A reliable source is one that provides a thorough, well-reasoned theory, argument, discussion, etc. based on strong evidence.
The Guptas lost power because they had a substantial loss of territory and imperial authority caused by their past feudal system and the invasion of the Huna peoples from Central Asia. However, these factors all played in and their were many reasons why the Guptas lost power. After the collapse of the empire, India was ruled again by many regional powers before and a small line of the empire continued to rule a portion of their ex-empire before being ousted.
The answer to your question is C
the Union of South Africa was created as a self-governing dominion of the British Empire on 31 May 1910 in terms of the South Africa Act 1909, which amalgamated the four previously separate British colonies
Eight years after the end of the Second Boer War and after four years of negotiation, an act of the British Parliament (South Africa Act 1909) granted nominal independence, while creating the Union of South Africa on 31 May 1910
C would be the correct answer legal counsel is just a fancy way of saying "seeing an attorney."