<span>When it comes to what happened to the people's culture with migration patters, the answer is that as the people migrated the spread culture through diffusion. This means that their cultures mixed and new cultures were made by having cultures diffuse and mix and adopt elements of other cultures, but they would also lose some parts of their own that would get lost in time. </span>
Safavids were members of a dynasty that had ruled Persia through 1502 to 1736 and they made the Shia as there state religion
The Soviet and USA decided to end the space race.
I know one was deteriorating relations with Spain. He negotiated for the purchase of Florida for $5 million for the expanding of US territories.