Which military first used bugle calls and signals to relay signals and communicate instructions?

Why were inventors essential or necessary for an industrial revolution to happen in america

Which geographic process is shown in this chart? (3 points) redlining gentrification filtering ghettoization suburbanization

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.