Please help quick question, but put a explanation or a proof Is this true or false, The EEmancipation Proclamation freed all enslaved people in the Uniteddd Statesss.

What project establish leonardo da vincis reputation as a creative and talented engineer

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.

During the industrial revolution, many governmentsadopted an economic system called capitalism. in thissystem, governments allowed businesses to operate asfreely as possible, capitalism led to economic growth inmany countries and a small number of peoplebecome very wealthy. however the system could be harshfor poor workers, who often worked long hours in unsafeconditions just to make enough money to eat. as a result,some workers turned against capitalism and demandedthat their governments take more control over theireconomies.which statement best describes the passages main idea? a. capitalism was beneficial for some people during the industrialrevolution, but others opposed the system.b. capitalism was mostly a cause of problems during the industrialrevolution, which led to its eventual collapse.c. capitalism became the favored economic system for manycountries during the industrial revolution.d. capitalism was to countries during the industrialrevolution, but became a problem after the revolution ended.edit: correct answer is a