In the US presidential elections, the outcome hinges on the results in several so-called swing states. More about the swing states and why they are so important in the material by RBC-Ukraine below. The United States has a unique two-tiered electoral system. First, residents of each state select electors, who then choose the president and vice president. This system is tied to the origin of the United States as a union of separate states. Today, the role of the electors is largely symbolic, but the two-tiered system remains. In most states, elections follow a “winner-takes-all” model, meaning …