Hi , the answer is B , Cuba 's economy weakened.
Answer:
For an amendment to be made, two-thirds of the members of each house of Congress must approve it, and three-fourths of the states must ratify it. Congress decides whether the ratification will be by state legislatures or by popularly elected conventions in the several states (though in only one instance, that of the Twenty-First Amendment, which repealed prohibition, was the convention system used). In many U.S. states, proposed amendments to a state constitution must be approved by the voters in a popular referendum.
By Compare the artifact to other things found at the sites they determine its relative age.
Compare the artifact to other things found at the same place.
<u>Explanation:</u>
Over the period of time, the artifacts which are lying under the ground gets covered by the layers and layers of soil and the archaeologists can determine the age of the artifacts by relative technique where the artifacts dug out from the same sites are compared and analysed and then it is approximately given the relative age.
Though it is not a very reliable method as the artifacts gets shifts from place sometimes and may go deeper under the soil or come closer to the surface. Therefore, Absolute method was discovered and is used.
I haven't ever done that but I think it might be for Machine made I think it would be Harvesters and for Hand made I think it would be the first airplane I'm not sure what the first airplane is call tbh.
Sorry if I'm wrong... :(