The Republican Party in the 1860s was founded with an anti-slavery platform, and Abraham Lincoln was its first president.
Abraham Lincoln was its first president - True. Abraham Lincoln was the first Republican president, elected in 1860.
Supported the expansion of slavery - False. The Republican Party opposed the spread of slavery.
Advocated for states' rights over federal power - False. The Republican Party emphasized a strong federal government.
Founded with an anti-slavery platform - True. The Republican Party was founded as an antislavery faction.
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