What is the subject of this sentense "Mackenzie bounced the ball down the floor."

result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.