What year was Aden acquired?

What did the Governor of Bombay, Sir Robert Grant (1834-38), feel was necessary?

In 1829, when the search for coaling stations had started, Lord Auckland, the governor general of India, had ordered what?

What did Commander Stafford Haines suggest to Grant?

How did Grant respond to Haines' suggestion?

What year did Haines arrive in Aden, and what was his mandate?

Despite this mandate, in negotiations with the sultan, what did Haines demand?

Haines secured a letter from the sultan saying what?

Why did negotiations break down?

What year did Grant die, and what happened?

Despite being an entrepôt, why was Aden not as valuable?

Coal steamers didn't produce enough income to meet expenses, and Haines ran up a deficit of him much?

Aden's (economic) future was uncertain until what?

Why was Aden position strategically?

Grant believed India could be protect by what?