Which of the following is correct concerning subatomic particles? The electron was discovered by Goldstein in 1886. Cathode rays were found to be made of protons. The proton was discovered by Thomson in 1880. The neutron was discovered by Chadwick in 1932.

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Which of the following was significant for the allied capture of rome? the capture of rome gave the allied powers direct access to the italian-german border and a road to reach berlin. the capture of rome led to the decline of the italian fascists, and those opposed to mussolini were able to regain control of their country. the allied capture of rome promoted an alliance with mussolini who had direct knowledge of hitler’s military strategy. capturing rome drew the german’s attention away from the soviet war front and toward the european theater.

Wich statement about the delegates at the constitutional convention is accurate