The countries in European Union are linked as they have a single common currency and they allow people to move easily between the countries.
Option C and D
<h3><u>Explanation:
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Only one market system was established by The European Union. It has been established in all its territories and has about 513 millions. Since there do not exists any differences in the currency it helped trading a lot. EU is the world's largest exporter.
Euro is used as a common currency. This is under Eurozone, which is the Monetary union. The number of states joined this union is 19. This union has 342 million EU citizens as its member. After the US dollar, Euro is the currency that is used in trading among different countries and it hold the second position in the reserve currency list. The countries under European Union allow people to move from one country to another. They can study in one country and work in some other country of European Union.
Texas is a state located in the southern center of the United States. It limits to the north with Oklahoma, to the northeast with Arkansas, to the east with Louisiana, to the southeast with the Gulf of Mexico, to the southwest with Mexico and to the west with the state of New Mexico.
A volcano with an empty magma chamber would be called a caldera
Explanation: During certain types of explosive eruptions, a volcano's magma chamber may empty enough for an area above it to subside, forming a type of larger depression known as a caldera.
Creole is a primary language
A hopes this helps good luck