What metal that didn’t rust as easily replaced iron in building machines

When did paul zoll develop cardiac pacemaker

"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?

Which is one factor that contributed to the rise of sikhism? a. the spread of christianity into india b. opposition to the hindu caste system c. objections to the five pillars of islam d. a return to polytheistic religion