How did samuel morse's best known innovation contribute to u. s growth and development?

a. it enabled instantaneous long-distance transmission of information.

b. it allowed manufactured goods to be produced at lower costs.

c. it boosted the speed of cross-country mail delivery.

d. it increased national unity by reducing sectional differences.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

explanation:

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