Why is a steamboat more effective than a keelboat?

What is generally true of the lower house in a state legislative branch ?

What greek scientist created a screw to move water for irrigation?

The citizenship clause of the fourteenth amendment says a naturalized personis not a citizen and cannot become a citizen of the united states. is a citizen, just like someone who was born in the united states. must have been born in the united states, not in another country. must have been born in a country other than the united states