According to experts for every person killed outright by a nuclear blast four more would die later from the

d) iowa i believe is the answer

hello,

what started the norman conquest?

profound political, administrative, and social changes in the british isles. last line of my information: )

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.