Matthew 21:7-8

Matthew 21:7-8

[7] And brought  the ass,  and  the colt,  and  put  on  them  clothes,  and  they set  him thereon.  [8] And  a very great  multitude  spread  their  garments  in  the way;  others  cut down  branches  from  the trees,  and  strawed  them in  the way. 

What is the context of Matthew 21:7-8?