that was always the easy part , and tanaquil should have known that ; she did know it , and she had planned , in detail , each step to be taken letting his body be found in the morning ; steering her son tarquin to apparent power ( never had the words 'heir apparent ' been more apposite ) , using servius to keep control , and then the alliances with etruscan cities , gradually creating the etruria she 'd dreamed of .