Which idea was originated by a Muslim scholar during the Islamic Golden Age? Hindu number system
camera obscura
astrolabe
algebra

Concerns of the spanish treatment of what nation lead to the spanish american war

According to the document, why can't the pope and the catholic church in rome make decisions for england? use evidence.

"but let us admit texas, and we shall place the balance of power in the hands of the texans themselves. they, with the southern states, will control the policy and the destiny of this nation; our tariff will then be held at the will of the texan advocates of free trade. are our friends of the north prepared to deliver over this great national policy to the people of texas? " - rep. joshua giddings, ohio, may 21, 1844 this quote points to what major issue in the years leading up to the civil war?