Add spaces between the words in the following text: Thethirdvolumecontinuestheoverviewofthehistoryupto1758,againchosenbecauseofthesignificanceofLagrange'sworkwhichbeganshortlyafterthisdate.
The third volume continues the overview of the history up to 1758, again chosen because of the significance of Lagrange 's work which began shortly after this date.