The answer is B: Rather than settling in one place, they follow wandering herds.
Technology has over taken out lives as well as using it every day...
"First let me take a selfie"
"#At#The#Beach"
"Go get my IPhone C Plus honey!"
The reasons as to why Irish citizens immigrated was to escape religious and political persecution. The Irish Potato Famine was another reason for this because potatoes were the staple food at the time which forced peasants to leave Ireland.