What discoveries brought an end to the stone age ?

What is grievance 28 on the declaration of independence explained in simpler words? plz

Latonya was just hired as an engineer for an electric company. she will make a salary of $50,000 a year. how much of latonya's salary will be taxed at the 10 percent rate? how much of latonya's salary will be taxed at the 28 percent rate? latonya was just hired as an engineer for an electric company. she will make a salary of $50,000 a year. how much of latonya's salary will be taxed at the 10 percent rate? how much of latonya's salary will be taxed at the 28 percent rate?

Of the 8 territories that were brought under the flag of the united states by 1853, which on do you think was the most important addition to the growth of the united states? give 2 reasons.