"<span>It led to a large number of causalities on both sides" would be the best option from the list, since the war still dragged on although now with far more men involved, meaning more deaths.</span>
When voters do not believe they have political efficacy, it generally means that "<span>A. Voters believe their votes will have no impact in an election", since this impacts their ability to change government and governmental policies. </span>
The correct answer is The Department of the Interior. It was formed in 1849, a year after the Mexican war. The Department of state was formed in the 1700s, while the Bureau of Indian Affairs was formed in 1824, which was 25 years before the Department of the Interior and before the Mexican War.
The first step was the development of Anaconda plan, which aims to set up a naval blockade of the Atlantic and Gulf of Mexico, and to transport around 60,000 Union troops. This will enable them to cut off all trade and they can put hold to all forts and town along the way. However, the plan was rejected and was never put into action due to it being passive and slow to implement. With the aim to end the war quickly, Anaconda plan was revisited as a 3rd step. Wherein they employ the general framework of the plant but added combat to play on the screen. The general idea of the plan still contributes to put an end of the Civil War.
The Lollipop Guild is the answer you were looking for