Complex sentence: As a result, the Jedi Order selectively removes "Force-strong" bloodlines from the Republic by preventing them from breeding, possibly explaining the gradual waning of the Jedi's powers and foresight.
Split into simpler sentences: As a result, the Jedi Order is in fact selectively removing "Force-strong" bloodlines from the Republic by preventing them from breeding. This could explain the gradual waning of the Jedi's powers and foresight.