The answer to your question is BOTH A AND B
Answer:
Spreading axis
Explanation:
Oceanic crust is constantly being pushed horizontally away from the ridge crest toward an oceanic trench. This ridge crest is known as spreading axis or spreading center. The phenomenon itself is known as seafloor spreading. Seafloor spreading as a theory was first proposed by Harry Hess in 1962. He proposed that sea floor moves, as well as continents. The seafloor moves at a rate of about 1-24 cm per year.
The correct answer for the question that is being presented above is this one: "d. provoked domestic debate about its involvement in the internal affairs of other nations." United States annexation of the Philippines (1898) and military involvement in Vietnam (1960s and 1970s) are similar because in each event the United States provoked domestic debate about its involvement in the internal affairs of other nations.<span>
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A good advancement would be a portable radio. They have made life easier for people who are walking/hiking and are looking for something such as the weather for the night or the score for a sports game.
