Who invented a system of sending messages over telegraph lines using a series of dots and dashes?
a. adam smith
b. samuel morse
c. alexander graham bell
d. benjamin franklin?

In the space below, construct a claim as to the effect the television has had on politics. your claim should be at least 250 words and follow these directions: research on your own and find a primary source on the impact of television on u.s. government a primary source is an original document or artifact that comes from the period of time being studied. someone from that time period actually wrote, created, or used the object the historian is studying. using the information from your primary source, and the information from the lesson, develop a claim concerning television’s effect on u.s. politics. fulfill the following concerning your claim: your claim should clearly state the effect of television on u.s. politics. be specific. your claim must have supporting statements that are original ideas, as well as facts and evidence from your source and information from the lesson that supports it. a counterclaim that refutes your claim. your writing will identify the stance and prove that it is false. write an informative essay that meets the following expectations: establishes and maintains formal and objective tone. uses words, phrases, and clauses to link each section of writing together and creates cohesion between claims and evidence. follows expectations of conventions. provide a concluding paragraph that: synthesizes your original claim summarizes your key points adds concluding thoughts cite your primary source and this lesson as a secondary source at the bottom of your essay.