Complex sentence: The jingoistic attitude of many Britons increased Disraeli's political support, and the Queen acted to support Disraeli, visiting him at Hughenden--the first time she had visited the country home of her prime minister since the Melbourne ministry.
Split into simpler sentences: The jingoistic attitude of many Britons increased Disraeli's political support, and. The Queen also acted to support Disraeli, visiting him at Hughenden--the first time she had visited the country home of her prime minister she had since the Melbourne ministry.