Answer:~At the center, information about tides and currents was collected, more accurate charts and maps were drawn, techniques for determining longitude were improved, and new ship designs (such as the caravel) were developed
Answer:
In the 19th century (before as well as after the Civil War), railroads brought many changes to the United States of America. For one thing, trade and commerce increased, with a complementary expansion of industry, especially in the North. For another, settlement of the 'wild West' was made easier, as was increased growth of areas already settled. For yet another, military operations became more sophisticated and generally more power-packed: during the Civil War, Union and Confederate forces could be quickly reinforced or moved to areas of special need due to the rapid transportation provided by railroads.
The reason Republicans in Congress attempt to lower taxes is because they don't believe in a big government and large spending.
<h3>What are the goals of Republicans?</h3><h3 />
Republicans are known to be a party that supports a limited government and reduced spending in the economy.
They therefore want lower taxes because more taxes would be a sign that the government wants to spend more and increase its influence.
Find out more on Republicans at brainly.com/question/8111169.
