April 3, 1860 – Pony Express begins.
November 6 – 1860 United States presidential election: Abraham Lincoln elected president and Hannibal Hamlin vice president with only 39% of the vote in a four man race.
December 18 – Crittenden Compromise fails.
December 20 – President Buchanan fires his cabinet.
Answer:
are made using the five senses
Explanation:
Observation involves the five senses that consist of sight, hearing, taste, touch, and smell.
It is a way to exactly monitor or notices anything so that it provides a detailed view of a thing
the action or process of closely observing or monitoring something or someone.
Therefore in the given case, the last option is correct
Answer:
Coordination problem.
Explanation:
Coordination problem often associated with Game theory, most especially prisoner's dilemma, is a term that describes "game" with multiple outcomes, such that participants have to decision on how to act.
In this case, the Republicans are having Coordination problem because, they have disagreement about which particular member of their party would be the best choice for the party at presidential election.