Why did the founding fathers separate the powers of government between the three branches?

They wanted to have a government that did not just have one person to have so much control and power

So that the government would have the checks and balances system so that no part or person has too much power

The british 
all french colonies in north america, except louisiana and two tiny islands of saint-pierre and miquelon, were given to the uk. triumph of london, which changed kingdom of great britain in the british empire, however, did not meet with a favorable reception in north america. residents of the colony suffered significant losses and have to bear the burden board and maintain the british army.