Which machine had the most direct impact on the way music is recorded and played? A. the telegraph
B. SIGSALY
C. the Scrambler
D. the Vocoder

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

What affected the second industrial revolution have on transportation

Plz what action did president jefferson take to stop britain and france from seizing american merchant ships? a. he declared war on france. b. he called for increased tariffs on british and french goods. c. he called for an embargo on all foreign trade. d. he declared war on britain.