Read the section "modern economies are big and complex." which sentence from the section explains what kinds of services modern economies provide? group of answer choices developing countries do this if they don't have the technology to make them into finished products developed countries have modern economies. modern economies are more complex. this includes retail, banks, hotels, real estate, education, health care, computer services, recreation, media and communications. to measure the gni, first add up the total value of its goods and services in a country. then divide that by the number of people.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

it the big letter b heart my answer

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this