Andrew is an 18-month-old boy. His mother has been cleaning the house. Andrew watches her vacuum, wash the windows, and sweep the kitchen floor. The next day his mother watches as Andrew takes his toy vacuum and pretends to vacuum the floor. What cognitive technique is Andrew demonstrating?

Which is the best conclusion that can be drawn regarding the status of african-americans in the south in the late 1800s? a) african-americans made tremendous political, social, and economic advancements during the reconstruction era. b) passage of the 13th, 14th, and 15th amendments to the u.s. constitution guaranteed equal status and rights for all african-americans. c) the reconstruction policies enacted by the federal government were highly effective in african-american citizens transition to life after slavery. d) although african-americans had equal rights under federal law they were still economically, politically, and socially inferior to whites in the south during the reconstruction era.