How did the invention of the telegraph affect commerce in major cities in the United States?
A.
It allowed for faster communication between urban business centers.
B.
It created better postal services between cities in the East and West,
OC.
It created faster transportation between cities in the North and South
D.
It allowed for more efficient shipping between urban centers across the nation.

it allowed for faster communication between urban businesses centers.

Explanation: because the businesses could communicate in a more fast and efficient way.

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

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interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)