What is meant by the title of this article and the eastern proverb “the arch never sleeps”?
1.an arch consists of two weaknesses so it’s always shaky and needs to ‘stay awake’.
2.an arch is always working to hold itself up. it has to “stay awake” or it will crumble.
3.the voussoirs rest on the centering until the keystone is wedged into place so they never ‘sleep’.
4.an arch can carry more weight than a straight beam can across the same span, so it's used frequently and hence never ‘sleeps’.

1.An arch consists of two weaknesses so it's always shake and needs to "stay awaje".

Dr.king , i would take my mental flight by egypt and i would watch god’s children in their magnificent trek from the dark dungeons of egypt through, or rather across the red sea, through the wilderness on toward the promised land.his  speech"i  have a dream" to encourage people that change will come. this  speech  was very important during the civil rights movement and was a contributing factor in the end of racial injustice in society. the  intended audience  of "i  have a dream" is white people. i hope this