A. 5×20
x=100
check
100/5=20
20=20
b. 15=30/2
×2. ×2
30=30.
check.
30/2=15
15=15
Hope this helps..
They went on many protests throughout that time frame, and it caused a movement where so many people fought got the same thing so it was widely recognized throughout America and even widely recognized today.
Not 100% sure but I'm pretty sure siam was one of the only ones to escape colonization. look at effects on neighbouring countries?