I believe that is Vertical Integration.
During the Han Dynasty, trade flourished in China. The government controlled the economy, and Han rulers emphasized unity in laws and currency.
The answer is nationalism
An explanation of the powers that Congress has under the Articles of Confederation A list of the strengths of the new government under the Articles of Confederation A list of the weaknesses of the new government under the Articles of Confederation Examples of how people have reacted to the new government.
The Articles of Confederation, the United States' first constitution, was written during a time when the American people feared strong national governments. The new nation needed some kind of organization to hold states together to help them fend off future attacks and hopefully make a stronger economy, and the Articles of Confederation seemed like the best answer to build unity at the time.
The English government had been especially abusive to the Colonists, who were very reluctant to install a new government that could potentially function similar to the monarchy under King George. The loyalty of the people seemed to align more with the individual states than with the nation. After the American Revolution, states were still printing their own money, which was worthless in other states and further hindered cooperation. The 13 new states needed to find common ground and a way to cooperate.
During the American Revolution, many states wrote their own state constitutions. These constitutions consisted of political ideas that provided equality and freedom. States particularly relished the three branches of government and the idea of a republic, where citizens elect political officials. However, when the states came together to complete the first constitution, the nation was formed as a confederation, where states were sovereign, while trying to work together.
I would say D. because it will help train and give advice on what the teen should do in order to run a marathon and see if it's what they want to do. Eating right can help but the training guide would seem to help the most helpful. It couldn't be A. because cross country is different than running a marathon. I hope this helps!