Why did the united states and the ussr fight together as allies in 1941?

They fought together because Germany had betrayed Russia or the USSR during WW2. So Russia decided to fight with America against Germany.

More than 4 million enslaved hunan beings in the south and they touched every aspect of the regions social, political and economic life.

How  did spanish  power increaseunder charles  v and philip ii? in 1519,charles  v inherited a huge empire. he became king of  spain  and was also the heir to the hapsburg empire. during his 42-year reign, philip worked to expand  spanish  influence, strengthen the catholic church, and make his own power absolute. hope this !