The ability of the constitution to fit the needs of a changing nation is exemplified by its
a.
bill of rights and other amendments.
b.
unanimous ratification by all the states it governed.
c.
guarantee that new states may join the union whether or not they permit slavery.
d.
prohibition against slavery in any new state joining the union after 1787.

The correct answer is A) Bill of rights and other amendments.

The ability of the Constitution to fit the needs of a changing nation is exemplified by "the Bill of rights and other amendments.

The Bill of Rights is the first ten amendments to the United States Constitution. It was James Madison who wrote the amendments. The amendments enumerate prohibitions for the federal government, protecting the liberties of the US citizens such as freedom of speech, freedom of religion, and the right to own property. The Bill of Rights was influenced by the Virginia Decñaratioon of Rights.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers