[Answer] World leaders touched down in this city to gather for the G20 summit.

Step 1 : Introduction to the question "World leaders touched down in this city to gather for the G20 summit."

...Trade wars -- and the prospect of actual war -- will dominate President Donald Trump's agenda at the G20 in Osaka, Japan, Thursday for a highly consequential meeting of world leaders.

[Answer] The Stewardship at the Summit volunteer program has hikers help cut down ______ on the Halem'auma'a Trail in Hawaii.

Step 1 : Introduction to the question " The Stewardship at the Summit volunteer program has hikers help cut down ______ on the Halem'auma'a Trail in Hawaii. "

...1. ginger 2. bamboo 3. pineapples 4. mangoes

[Ans] The leaders of what two nations held their third summit of the year this week, meeting and speaking before a crowd in Pyongyang?

Step 1 : Introduction to the question "The leaders of what two nations held their third summit of the year this week, meeting and speaking before a crowd in Pyongyang?"

Who else its Korean Leaders!

[Ans] The Stewardship at the Summit volunteer program has hikers help cut down _______ on the Halem'auma'a Trail in Hawaii

Step 1 : Introduction to the question "The Stewardship at the Summit volunteer program has hikers help cut down _______ on the Halem'auma'a Trail in Hawaii "

Stewardship is an ethic that embodies the responsible planning and management of resources. The concepts of stewardship can be applied to the environment and nature,  economics, health, property, information, theology, etc.

Step 2 : Answer to the question "The Stewardship at the Summit volunteer program has hikers help cut down _______ on the Halem'auma'a Trail in Hawaii"

Ginger:

The Stewardship at the Summit volunteer program has hikers help cut down ginget on the Halem'auma'a Trail in Hawaii.

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