<span>The birthrate and the death rate were about equal.</span>
Nevertheless, the unifying influence of the monsoons on the Indian subcontinent is quite perceptible. ... These monsoon winds bind the whole country by providing water to set the agricultural activities. Thus, in view of the above the monsoon is considered as a unifying bond for this subcontinent.
The modern convention of the Europe-Asia boundary (from south to north) follows the Aegean Sea<span>, the Dardanelles-Sea of Marmora-Bosporus, the </span>Black Sea<span>, along the watershed of the Greater Caucasus, the northwestern portion of the </span>Caspian Sea<span> and along the </span>Ural River<span> and </span><span>Ural Mountains
So I believe your answer would be the Aegean sea, Dardanelles sea, and the black sea.</span>
