Why might write a letter to their representatives about a policy issue?

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?

In 1819, what did the united states obtain from spain for $5 million?

The first time that unmanned underwater "gliders" were used by ocean scientists to respond to an oil spill was after the