Why did the Supreme Court rule the Missouri Compromise unconstitutional?

Responses

They believed that it went against the Preamble to the Constitution, which stated that all men were created equal.
They believed that it went against the Preamble to the Constitution, which stated that all men were created equal.

They thought the Missouri Compromise would only lead to war between the North and the South.
They thought the Missouri Compromise would only lead to war between the North and the South.

They argued that it gave states too much power over the federal government.
They argued that it gave states too much power over the federal government.

They believed that it violated the Fifth Amendment because enslaved people were considered property.

They argued that it violated the Fifth Amendment because enslaved people were considered property.