Originally developed in 1935, what radio-based detection and ranging
system was improvised during World
War II to track air planes?
A. Radar
B. Sonar
C. Laser

Amain reason most irish immigrants came to the united states in the mid-1800s wasa) to find jobs as skilled workers.b) to escape a potato famine.c) to live in less-crowded conditions.d) to escape religious persecution.

2points a challenge faced by general george washington at the start of the war was that: o a. his troops lacked weapons. o b. rival officers wanted his job. o c. british forces captured his home and family o d. his troops were surrounded by british forces. submit

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.