Trust in the name of the Lord my God

Psalm 20:1-9
Blessing prayer:
May the Lord answer you when you are in distress; may the name of the God of Jacob protect you. 
May he send you help from the sanctuary and grant you support from Zion.
May he remember all your sacrifices and accept your burnt offerings.[b] 
May he give you the desire of your heart and make all your plans succeed. 
May we shout for joy over your victory and lift up our banners in the name of our God. 
May the Lord grant all your requests.
Some trust in chariots and some in horses,  but we trust in the name of the Lord our God.
The people invoke God's blessing. A single voice (the king, perhaps prefiguring the Messiah) responds in confident trust. And the people offer an urgent prayer.
Why?
Victory to the king! The Lord Almighty.
Above prayer are let people know that the Lord is living God and he is with me.
God's answer, protect, help, remember, give you the desire, shout for joy with banner of name of our Lord. All are the blessing to us, those are what we want and be requested.
Basic foundation is the faith to the Lord, trust in the name of the Lord our God. It is not trust in the environment or situation. The victory is belong to the Lord.
How?
I trust in the name of the Lord my God.