Final answer:
The statement is False. When America declared war on Britain in June 1812, it was generally favored by the Southern and Western states, while being opposed by the Northern states.
Step-by-step explanation:
The statement is
False
. When America declared war on Britain in June 1812, it was generally favored by the Southern and Western states, while being opposed by the Northern states. The main support for the war came from the 'war hawks,' who were primarily from the South and West and wanted to defend American honor against British insults and protect American interests.