State 3 factors to be considered when sending a message

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.

Which act intended to regulate and trade?