You could say that he appealed to pathos. It's an appeal to emotion while ethos is to credibility. He used pathos to speak about sad things like secession and about the evils of slavery and why it should end. He didn't have to appeal to credibility because he was already the president so everyone knew why he was competent.
<span />
Answer:
1.53*10^8 gallon
Explanation:
multiply 1.7*10^7 with 9 and change the decimal point
A. Food. They fave out food surpluses that helped to lead to population growth and trade.
The answer is A.) Conclusion