Cleopatra's greatest accomplishment during her time as Egypt's ruler between 48 and 30 B.C. was to unite an otherwise torn kingdom, as well as to improve its economy. She was able to do this by virtue of her intelligence and political prowess, forging powerful alliances with both Julius Caesar and Mark Antony, although the latter proved to be her eventual undoing.
Everything you need to make a good meaningful sentence (and grammatically correct, of course), is to follow common rules. Do not forget to provide your sentence with complexity, but you don't have to make them too complicated, I mean you need to use key words, they will make your thought completed. And the second point is that you need to properly organize the sentence using correct word order. ion:
1,4 describes the location of the playground, if im wrong oh well