How does checks and balances support the ideas of the preamble?

the correct answer is d

a conference committee is a group of congress representatives appointed by the senate and the house to reach an agreement over a bill that had different versions in each chamber. this is due to the fact that, to pass a law. both the house and the senate must agree on the exact same content and wording of the bill to present it to the president.

napoleon the third became a empire in 1873 also known as the era of the franco-prussian war.