<span>Since 1848, the Rio Grande has marked the boundary between Mexico and the United States. It affected domestic policy in that the river had been a cause for a discord between the US and Mexico and special policies were implemented for the area.</span>
The region in Asia where hit songs have increased in recent years, and resembles a mash-up of Western and European pop styles is<u> East Asia. </u>
<h3>Which part of Asia produces hit songs?</h3>
In recent years, the nations of South Korea and Japan have produced some widely popular hit songs which resemble a mash-up of Asian and European styles.
The region of Asia where these nations are found is called East Asia with both nations being increasingly westernized in nature.
Find out more on South Korea at brainly.com/question/4209942.
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Japan felt disrespected by the treaty of Portsmouth provisions, because "it did not get to keep all of the territory that it was promised"--mostly due to the fact that there was very little oversight of the treaty terms.