HOW did the Spanish influence those they conquered?

According to the graph, the manufacturing of products in the united states greatly increased from 1800 to 1900. greatly decreased from the onset of the civil war to 1900. slowly decreased in 1800 and again in 1900. slowly increased after 1880.

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

He chart shows the 112th u.s. congress (2011–2012). based on the information in the chart, if the independents in the senate chose to vote with the republicans in the senate, the republicans would