<span>An encyclopedia entry is an example of a tertiary source. Unlike primary sources, which contain original thought and research, and secondary sources, built on a writer's or editor's interpretation of information in primary sources, encyclopedia entries are reports about a subject that can include information from both primary and secondary sources.</span>
Answer:
Option B: Control of commerce.
Explanation:
Before the Constitutional Convention and the creation of the Constitution of the United States, the recently independent states were having issues controlling and regulating national and international commerce.
Some states would compete with others to gain economic advantage, and the Confederation lacked to power to enforce regulatory laws to control and set rates, or coordinate retaliatory trade policies with foreign countries.
This was a major problem at the time that was getting out of hand. Although the purpose of the constitutional convention was to revise the laws of the current governments, the people who proposed it had something else in mind; a complete remake of the government system, the creation of a Federal Court, and with it, the power to enforce laws through all the states.
During the convention, George Washington was elected president of the convention.
I would say communism ☆〜（ゝ。∂）
Unity is important for an effective functioning of a country and for prevention of conflicts: if there was no unity, people could not finish bigger projects that require cooperation with others.
Diversity is important for innovation and creativity: if we were all the same, little would change and sometimes change is for better.
The answer is
C
Wind, air, and living things
