Why did spain finally agree to sponsor columbus's voyage?

How does the constitution limit the power of the federal government

As the coach of the u. s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u. s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

6. how did trade with the venetians contribute to the fall of the byzantine empire?