What factors enabled European exploration in the 15th century

There are a total of three main reasons for European Exploration. Them being for the sake of their economy, religion and glory. They wanted to improve their economy for instance by acquiring more spices, gold, and better and faster trading routes. Also, they really believed in the need to spread their religion, Christianity.

whose power in the senate is equal to the power of the speaker of the house?

honestly you should get that checked out because it really isn't normal