So he could get around faster and warn everyone.
Answer:
The general sense of economy is careful management of resources such as money and materials, so as not to waste them, but the more familiar reference is to a system of producing, distributing, and consuming goods and services.
Explanation:
It started because Lincoln had won the 1860 election on a ticket of no new slave-states, so the South was doomed to be outvoted in Congress, which would pass laws that favoured the North at the expense of the South. So most of the slave-states broke away to form the Confederate States of America.
As for when it started, there was no actual declaration of war. The Confederacy could claim that it didn't want a war at all; it just wanted to defend its borders. Lincoln could not declare war on the Confederacy, because Congress did not recognise it as a sovereign nation.
The first shots were fired by the Confederates at the US Army garrison on the island of Fort Sumter in Charleston harbour on April 12th 1861, and Lincoln called for volunteer troops. The war was on.
There are two people, the vice president of the U.S. who is head of the Senate and then the Speaker of the House. The Speaker of the House is the more important of the two.