PLEASE HELP Explain ONE way that land-based empires policies to accommodate the ethnic diversity of their populations in the period 1450–1750.

No other era is as easy to summarize as the EARLY MODERN (1450-1750) era. This is the era the Europeans "wake-up", expand, and build empires. I'm not talking about Charlemagne here. I'm talking about the British Empire. I'm talking about the Dutch East India Trading Company. I'm talking about the Spanish Empire. This is a new Europe. This isn't Marco Polo. These Europeans will come to your land and stay there. They will take over most of the world in this era (if not, in the next). Beyond the Maritime empires (and the effect of their establishment), many huge land empires emerged (most notably the Islamic Mughal and Ottoman Empires). Of course, China is important. It always is. So, here is the Early Modern Period.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

southern north america: yucatán peninsula in southern mexico extending into northern guatemala, and northern belize. these moist forests on the yucatán peninsula of south-eastern mexico are characterized by a tropical humid climate with little topographic relief.

explanation: