What type of democracy governs the united states?

Did the writers of the declaration of independence accomplish their goals (did we get our independence and the new government we wrote about)?

These two countries developed a strong trading relationship during the time of the renaissance. name them?

If the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers? less than 1 million greater than 3.5 million between 2 million and 3 million between 3 million and 3.5 million