Less competent ministers in his government included Colonial Secretary Joseph Chamberlain, who was accused of being involved in the ?
Shortly after returning from a voyage to New Zealand to recover his health, this man was elected to the House of Commons through a seat in Stamford.  After the death of his processor, he gained control and relegated his chief rival to the office of Chancellor of the Exchequer, Stafford Northcote.  Earlier, he had served as a two-time Secretary of State for India.  During his tenure, the British Navy was brought out of the "Dark Ages" and adopted the so-called "two-power standard" in a Naval Defence Act heavily influenced by George Hamilton.  Less competent ministers in his government included Colonial Secretary Joseph Chamberlain, who was accused of being involved in the ? Jameson Raid during this PM's tenure.  For 10 points, name this conservative Prime Minister of Great Britain, a successor of Benjamin Disraeli and the last PM to head the government from the House of Lords.
Shortly after returning from a voyage to New Zealand to recover his health, this man was elected to the House of Commons through a seat in Stamford.  
{Lord Salisbury} [or {Robert Arthur Talbot Gascoyne}-{Cecil}, {3rd Marquees} of {Salisbury}, {Earl} of {Salisbury}, {Viscount Cranborne}, {Baron Cecil} of {Essendon}; accept either underlined answer]