Hey there!
"Soviet Union increased its efforts to develop an atomic <span>bomb," since the Soviet Union was the rival super power of the United States after World War II.
</span>
Hope this helps!
There was a rivalry between the British<span> and </span>French colonists due to the disputes that developed over control over the fur trade, land,<span> and the over balance of power in Europe over the </span>colonies.
He updated the old western Roman Empire laws to make them compatible with the remaining eastern Roman Empire which was about all that was left by the time he came to power in the 6th century.
The argument is that the mortality transition occurs exogenously and is the cause of a subsequent decline in fertility and rise in urbanization. This exogenous demographic process plays out over time, and has effects on economic, social, and political development. Hope this helps. :)