Which russian leader defeated the tatars at the battle of kazan?

The Russian leader that defeated the tartars at the battle of kazan was Ivan the terrible.  His real name is Ivan IV Vasilyevich and his title is being used by the following people who are known to be his successors. He had rules Russia and turned it into a state of a world empire when it was from a medieval state.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

to protest slavery i would think it would be a