The Ohio River is a tributary of the Mississippi River. In the ancient world, Egypt became a tributary of the Roman Empire.
The Gupta Empire had tributary states in various regions across India. Some of the tributary states included Malwa, Ayodhya, Andhra, and Bengal. These states paid tribute to the Gupta Empire in exchange for protection and maintaining their autonomy.
Because a tributary flows into a river. If a tributary flowed directly into the sea - it would be a river - not a tributary !
a tributary is a stream
It is called a tributary
A tributary.
Cyrus the Great expanded Persia from a tributary state of the Medes into an empire covering the Middle East and Central Asia.
A Tributary
Certificate of Tributary Information
A tributary is water.
neasho tributary
The Tang Empire required that any country that wanted to do trade with and keep peace with them had to pay a tribute. Countries that participated included Korea, Vietnam, Japan, and more.