>> host: going back to the mythologies and myths you are working through this book, you mentioned mariko from mississippi to the rockies and then you mentioned that the spaniards legitimize their conquest of their writing. tell us how that was part of creating this mythology. the empires that people sometimes call it in the modern. the strong conscience which was dated and unlike the british, french and you find people early 18, what right have we got to buy season issue around. it's almost everything that everybody writes him a ride in a theme. the conquistadors produce justifications and theology and why they had to write -- >> host: was a quite supportive or protect this? >> guest: it is interesting. it does more than contrast with the indifference of the other european communities who came to the spot in the modern church. they wanted to protect the nation, wanted to keep them alive. not really ultimately because spaniards more than anglos. that's obviously not the case. but because only the ecology of the kinds of areas that the spaniards took into the market in the americas joined