Answer:
' The three kingdoms were the Rashtrakutas, the Pratiharas, and the Palas.
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<span>Trade and shipping spreads ideas. Also intermarriage by noble families to cement treaties and commercial interests. Artists would also travel to different "schools" to learn the techniques they offered.</span>
Watson believed that psychology should primarily be scientific observable behavior.
During the changes of state known as D. vaporization and sublimation do the atoms overcome the attractive forces between them.