Explanation:
The Battle of Marathon was significant because it proved to the Greeks that the Persians were not 'invincible', which boosted the moral of the Greek troops, increasing their confidence to incline themselves in a common cause if the Persian attacked again (which they would
The gravitational effect when spacecraft flies close to the asteroid
The correct answer is speech impairment.
Speech impairment refers to a condition in which an individual is unable to communicate clearly and be coherently understood by others due to difficulties in their speech and articulation. Individuals with speech impairments might be unable to pronounce words correctly, produce speech sounds and speak with abnormal duration, pitch or vocal quality.
Issues concerning slavery,culture,enonomics ,and the constitution. The reason why was they were several differences between the North and South,issues related to slavery increasingly divided the nation and led to the Civil War.