Answer:
b and d
Explanation:
they did not give the state enough power to protect the people
and they allowed only the central government to collect taxes
It is contained in the Texas Transportation Code. It is stated there the general provisions relating to carriers – like DUTIES AND LIABILITIES OF COMMON CARRIERS, PROTECTING MOVEMENT OF COMMERCE, and etc., Aviation, Navigation, railroads, roadways, vehicle and traffic, and others.
Due to the difficulty of denying national security to someone unwilling to pay for it, public goods like national defense are often supported by the government.
Why is it that government funding is typically used to support public goods like the national defense?
National Defense is one of the examples of the public good. If one individual in a particular location is protected against an attack or invasion by a foreign power, other people there are probably similarly protected. Due to the difficulty in charging for defense as a result, it suffers from the well-known free-rider issue. In fact, practically all economists are of the opinion that government action and taxation are the only ways to finance adequate defense.
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In Sub - Saharan trade, gold , salt and slaves were the most important commodities.
Gold came from Bambuk in the valley of the Senegal where there was a lot of alluvial gold. Rock salt came from areas in the Sahara which were once covered by inland seas. Its extraction, in large blocks under the blazing sun, was appalling work carried out by slaves.
Slaves mainly came from around the region of Lake Chad, where the Zaghawa tribes made a habit of raiding their neighbors and selling them to Arab purchasers in the north.
Other important commodities were cola nuts, dates, copper and brass.
